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Journal articles on the topic 'Human Circulatory System'

Author: Grafiati

Published: 4 June 2021

Last updated: 18 February 2022

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1

Moin, Engr Lubna, and Dr Vali Uddin. "An Electrical Perspective of the Human Circulatory System Using Four Terminal Model." International Journal of Scientific Research 2, no. 7 (June 1, 2012): 153–54. http://dx.doi.org/10.15373/22778179/july2013/52.

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2

López-Manjón, Asunción, and Yolanda Postigo Angón. "Representations of the human circulatory system." Journal of Biological Education 43, no. 4 (September 2009): 159–63. http://dx.doi.org/10.1080/00219266.2009.9656176.

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3

YAMAGUCHI, Takami. "Multi-Scale Computational Biomechanics of Human Circulatory System." Transactions of the Japan Society of Mechanical Engineers Series B 73, no. 728 (2007): 916–21. http://dx.doi.org/10.1299/kikaib.73.916.

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4

Arfianto, Fahruddin. "PENGARUH ALAT PERAGA TIGA DIMENSI SISTEM PEREDARAN DARAH MANUSIA TERHADAP PENINGKATAN KETERAMPILAN PROSES SAINS SISWA SMA." Anterior Jurnal 16, no. 2 (June 1, 2017): 120–28. http://dx.doi.org/10.33084/anterior.v16i2.43.

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This study is required by students to understand directly the circulatory system in humans with the three dimensional tools of human circulatory system. The purpose of this study was to determine the effect of three dimensional tools on science process skills of human circulatory system on circulation process material of senior high school students. The design of this study used was pretest-posttest control group design, in this design, there were two groups selected at random, then given pretest and postes. The study was conducted at SMA Muhammadiyah 1 Palangka Raya. The period of this study was July 2014 - April 2015. The sample of the study was the students of SMA Muhammadiyah 1 Palangka Raya in XI class on the first semester, as many as two classes of experimental class and control class with the number of control class students was 29 students, experimental class was 21 students. Data collection was tested with multiple choice questions to measure students� learning outcomes, observation sheet to measure students' science process skill and using N gain then analyzed by t test. The results showed that the three dimensional tools of human circulatory system has a very significant effect on the improvement of science process skills with the most dominant indicator is in the observation. Based on the result of the study can be concluded that the use of three dimensional tools of human circulatory system can improve the science process skills of senior high school students.

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5

Shen, Fang-Ying, and Andrew S. Chang. "ESTABLISHING A COORDINATION SYSTEM FOR CONSTRUCTION PROJECT ORGANIZATIONS BY SIMULATING HUMAN BODY CIRCULATORY SYSTEM." Journal of Civil Engineering and Management 19, no. 4 (September 2, 2013): 492–504. http://dx.doi.org/10.3846/13923730.2013.768543.

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Construction projects are highly fragmented with many participants and activities involved during construction, so coordination is complicated and critical for project organizations. The physiological functions of the human body such as the circulatory system are natural and effective. This study established a coordination system for construction projects by simulating the circulatory system to improve work effectiveness. The contractor has to coordinate the owner and suppliers, that is, like the heart does to the brain and various organs. A procedure was also developed and illustrated through a case study to use the system practically. The contractor engineer acting as a receptor evaluates coordination needs derived from project uncertainty and equivocality and collect time spent on coordination with various parties. Coordination time or amount is adjusted when coordination supply does not meet needs. This procedure can be applied on construction project organizations to plan and execute coordination work.

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6

Myers, L. J., and W. L. Capper. "A transmission line model of the human foetal circulatory system." Medical Engineering & Physics 24, no. 4 (May 2002): 285–94. http://dx.doi.org/10.1016/s1350-4533(02)00019-x.

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7

Pustelny, T., P. Struk, Z. Nawrat, and M. Gawlikowski. "Design and numerical analyses of the human greater circulatory system." European Physical Journal Special Topics 154, no. 1 (February 2008): 171–74. http://dx.doi.org/10.1140/epjst/e2008-00539-8.

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8

ASAMI, Ken'ichi, and Tadashi KITAMURA. "An Integrated Simulation Tool for Modeling the Human Circulatory System." JSME International Journal Series C 46, no. 4 (2003): 1441–48. http://dx.doi.org/10.1299/jsmec.46.1441.

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9

Buz, Semih, Michael J. Jurmann, Ekkehard Gutsch, Beate Jurmann, Andreas A. Koster, and Roland Hetzer. "Portable Mechanical Circulatory Support: Human Experience With the LIFEBRIDGE System." Annals of Thoracic Surgery 91, no. 5 (May 2011): 1591–95. http://dx.doi.org/10.1016/j.athoracsur.2010.12.018.

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10

Misgeld, Berno J. E., Daniel Rüschen, Sebastian Schwandtner, Stefanie Heinke, Marian Walter, and Steffen Leonhardt. "Robust decentralised control of a hydrodynamic human circulatory system simulator." Biomedical Signal Processing and Control 20 (July 2015): 35–44. http://dx.doi.org/10.1016/j.bspc.2015.04.004.

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11

Conlon, Martin J., Donald L. Russell, and Tofy Mussivand. "Development of a Mathematical Model of the Human Circulatory System." Annals of Biomedical Engineering 34, no. 9 (August 9, 2006): 1400–1413. http://dx.doi.org/10.1007/s10439-006-9164-y.

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12

Batool, Sidra, Mehwish Nisar, Fabio Mangini, Fabrizio Frezza, and Eugenio Fazio. "Scattering of Light from the Systemic Circulatory System." Diagnostics 10, no. 12 (November 30, 2020): 1026. http://dx.doi.org/10.3390/diagnostics10121026.

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There are many factors of methodological origin that influence the measurement of optical properties of the entire circulatory system which consists of blood as the basic component. The basic idea of this review article is to provide the optical properties of the circulatory system with all those factors of influence that have been employed in biomedical optics for different applications. We begin with the available optical properties, i.e., absorption, scattering and, reduced scattering coefficient, in general for any tissue inside the human body and prominent scattering theories (e.g., light, X-rays, neutrons) that are helpful in this regard. We have reviewed and compiled already available formulas and their respective available data for different human tissues for these optical properties. Then we have descended to the blood composition and to different scattering techniques available in the literature to study scattering and light propagation inside blood. We have reviewed both computational and theoretical scattering techniques.

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13

Chen, Yangfan, Ho Nam Chan, Sean A. Michael, Yusheng Shen, Yin Chen, Qian Tian, Lu Huang, and Hongkai Wu. "A microfluidic circulatory system integrated with capillary-assisted pressure sensors." Lab on a Chip 17, no. 4 (2017): 653–62. http://dx.doi.org/10.1039/c6lc01427e.

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14

Rahmi, Farida, Noorhidayati Noorhidayati, and Maulana Khalid Riefani. "The Validity of the Human Circulatory System Concepts Handout at Class XI IPA SMAN 6 Banjarmasin." BIO-INOVED : Jurnal Biologi-Inovasi Pendidikan 2, no. 1 (April 30, 2020): 14. http://dx.doi.org/10.20527/bino.v2i1.7885.

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The use of good and appropriate teaching materials during the teaching and learning process can make learning more meaningful, namely creating an atmosphere of active learning for students, so that students can achieve the competencies expected by understanding the concepts of learning. The concept of the human circulatory system is a Biological concept that is relatively difficult to understand, so research and development of teaching materials are carried out in the form of handouts. This research and development aim to describe the validity of the concept handout of the human circulatory system of class XI IPA SMAN 6 Banjarmasin. This research is a type of research and development with a 4D development model. This research is limited only to the Develop stage. The results of the research and development of the concept handout of the human circulatory system of class XI IPA SMAN 6 Banjarmasin are classified as very valid with a validity value of 90%.

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15

Weight, Ryan M., John A. Viator, Paul S. Dale, Charles W. Caldwell, and Allison E. Lisle. "Photoacoustic detection of metastatic melanoma cells in the human circulatory system." Optics Letters 31, no. 20 (September 25, 2006): 2998. http://dx.doi.org/10.1364/ol.31.002998.

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16

Buckley, Nancy M. "Maturation of circulatory system in three mammalian models of human development." Comparative Biochemistry and Physiology Part A: Physiology 83, no. 1 (January 1986): 1–7. http://dx.doi.org/10.1016/0300-9629(86)90080-0.

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17

Lin, Mike, Shoa-Lin Lin, Kuei-Liang Wang, Hsien-Wen Kuo, and Tahir Tak. "Effect of Aging on Human Circulatory System in Normotensive Healthy Subjects." International Journal of Angiology 23, no. 04 (June 9, 2014): 233–42. http://dx.doi.org/10.1055/s-0034-1374735.

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18

Soyko, A. I., R. N. Karataev, I. V. Klyushkin, and V. A. Gogin. "The usage of a hydraulic model of the vascular system in the development of verification units for blood pressure measuring devices." Kazan medical journal 93, no. 2 (April 15, 2012): 380–82. http://dx.doi.org/10.17816/kmj2345.

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The hydraulic model of the human circulatory system was discussed, presented from the position of classification and systematization of the major blood vessels, identified were the main consumers of the circulatory system, considered in detail was the area of regulation associated with the processes of blood pressure and heart rate measurement.

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19

Wamiau, Zusette Ruslinda. "PENGARUH PENGGUNAAN MEDIA PEMBELAJARAN MACROMEDIA FLASH CS 6 TERHADAP HASIL BELAJAR KOGNITIF SISWA PADA MATERI SISTEM PEREDARAN DARAH MANUSIA." JURNAL PENDIDIKAN SAINS (JPS) 7, no. 2 (September 24, 2019): 164. http://dx.doi.org/10.26714/jps.7.2.2019.164-171.

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This study aims to determine the effect of the application of Macromedia Flash CS 6 learning media on students' cognitive learning outcomes in human circulatory system material and to know the implementation of Macromedia Flash CS 6 learning media on students' cognitive learning outcomes in class VIII human circulatory system in Christian Middle School 2 Salatiga. The method used in this study is quasi-experimental research. Based on the results of the study, the posttest results showed an average value of 78.4 which means reaching the KKM value standard of 75. While the ANOVA test shows that the Sig.value.> α which is 0.00> 0.05, which means that there are differences in the macromedia flash CS 6 learning media on students' cognitive learning outcomes in class VIII human circulatory system material in Christian Middle School 2 Salatiga.

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20

Yin, Feng Ling, Bing Quan Huo, and Fang Shao. "Program Development and System Integration for Human-Computer Interface of Numerical Control System." Advanced Materials Research 926-930 (May 2014): 2499–502. http://dx.doi.org/10.4028/www.scientific.net/amr.926-930.2499.

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Taking the designed magnetorheological finishing system as the research target, the design method for lower PLC program of the system was introduced firstly, and the main control functions were introduced, including the MCP control, the hand vein control, the move axis control, the alarm control, the circulatory system control and the auxiliary function control of the machine tool. Then, the upper software system integration method was introduced, including the structure of upper software program, the state transition between the control functions and project preparation and performance optimization for the polishing solution. The designed human-computer interface can guarantee high-precision machining of machine tools.

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21

NOMLENI, FRANSINA TH, and JAMES E. MERUKH. "Pengaruh Penggunaan Alat Peraga dari Bahan Bekas tentang Sistem Peredaran Darah pada Manusia Terhadap Hasil Belajar Biologi Siswa Kelas XI SMA Negeri 7 Kota Kupang Tahun Ajaran 2014/2015." Bioedukasi: Jurnal Pendidikan Biologi 7, no. 2 (August 15, 2015): 39. http://dx.doi.org/10.20961/bioedukasi-uns.v7i2.2938.

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<p class="5abstrak">This study aims to determine the effect ofthe use of props from scrap material son the human circulatory system to the learning outcomes compared to the results of studying biology classes which were not taught using the media props in class XI SMAN 7 Kupang in the academic year 2014/2015. Problems encountered in the scholar teachers do not use visual media in learning process so the impact is on learning outcomes biology students who do not achieve KKM 70. The method used in this study is the experimental method by using quasi-experimental design. Data collection was performed by using the test results of pretest and posttest as well as documentation. Results of pretest and post test data were analyze dusing t test formula with two groups design. The results showed that there were differences in learning outcomes between classes that were taught by using media props circulatory system of scrap materials that the average value of the pretest value X=39.03 while the posttest value X=80.80 and classes that were taught by not using media props circulatory system of scrap materials pretest value Y=37.58 and posttest value Y=65.48. The difference between the two classes of learning outcomes is also indicated by the results of the calculations to test the hypothes is using the t-test the t value is 5.74, while t table is 2.000. Can be concluded that there is the effect of using props froms crap materials on the human circulatory system of the human circulatory systemina better effect on learning outcomes compared to biology student learning outcomes and students who were taught not use theme diapropsin class XI SMAN 7 Kupang in the academic year 2014/2015. So it is recommended to teachers and prospective teachers in order to teach the material of the human circulatory system can use visual aids blood circulation system of scrap materials and also both teachers and prospective teachers can make props of scrap materials in other subject matter.</p>

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22

Fančovičová, Jana, and Pavol Prokop. "EXAMINING SECONDARY SCHOOL STUDENTS’ MISCONCEPTIONS ABOUT THE HUMAN BODY: CORRELATIONS BETWEEN THE METHODS OF DRAWING AND OPEN-ENDED QUESTIONS." Journal of Baltic Science Education 18, no. 4 (August 3, 2019): 549–57. http://dx.doi.org/10.33225/jbse/19.18.549.

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Students of various age groups manifest numerous explanations that differ from what is known to be scientifically correct. Misconceptions about the human body are one of the best studied areas of students’ understanding of scientific phenomena. To explore misconceptions, researchers have at their disposal various methods which can lead to different results. In order to find an effective, cheap and representative diagnostic instrument, correlations between scores obtained by open-ended questions and drawings on the example of the human circulatory system were examined. Open-ended questions provide a more complete understanding of student learning but are harder to evaluate objectively in comparison with drawings, particularly in cross-cultural research. Correlations among scores obtained by these two methods in the present research were moderate, which suggests that drawings reflect students’ understanding of the circulatory system, albeit not perfectly. Although drawings probably never provide a complete understanding of children’s ideas about science, this cheap and time effective method is recommended particularly in cross-cultural research, where standard, comparable conditions are hard to achieve. Keywords: circulatory system, human heart, human body, students’ ideas.

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23

Sumanik, Magdalena. "PENGGUNAAN MODEL PEMBELAJARAN GROUP INVESTIGATION UNTUK MENCAPAI KOMPETENSI BELAJAR BIOLOGI MATERI SISTEM PEREDARAN DARAH MANUSIA PADA SISWA KELAS VIII SMP St. THERESIA LANGGUR – MALUKU TENGGARA." BIOPENDIX: Jurnal Biologi, Pendidikan dan Terapan 1, no. 2 (March 14, 2015): 188–97. http://dx.doi.org/10.30598/biopendixvol1issue2page188-197.

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Background: This study aimed to determine how to use learning model group investigation in biology learning material human circulatory system in class VIII SMP St. Theresia Langgur Southeast Maluku. Methods: This study used quantitative descriptive method by providing an overview of the achievement of learning outcomes biological material on the human circulatory system. The way of data collection is done through initial and final test and observation during the learning process. Data analysis techniques with descriptive analysis based on the results of the pre and posttest. Results: The results showed that there are progress learning outcomes achieved by students after learning by using a model group investigation. The students were on a pre-test value is taken KKM, after corrective action in learning the value rises past the KKM. Conclusions: The use of learning model group investigation in biology learning material human circulatory system in class VIII SMP St. Theresia Langgur Southeast Maluku experienced a significant increase.

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24

Hendriyani, Widya, Neni Hasnunidah, and Berti Yolida. "Pengembangan Buku Penuntun Praktikum Sistem Peredaran Darah Manusia dengan Model Argument-Driven Inquiry (ADI)." Bioedusiana: Jurnal Pendidikan Biologi 5, no. 1 (July 2, 2020): 19. http://dx.doi.org/10.34289/bioed.v5i1.1455.

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This study aims to produce a practical guidebook of human circulatory system with Argument-Driven Inquiry (ADI) model for students at junior high schools. The design of this research was R&D with 4-D model including define, design, develop, and disseminate. However, this research was only up to the develop step. The result of this study is in form of a practical guidebook of human circulatory system and using language that is easily understood and in accordance with EYD. Then, the practical worksheet consists of student identities, title of practices, basic theories, objectives, research questions, tools, materials, work steps, argumentation schemes, argumentation sessions, and reports. Next, the results of validation of experts and practitioners as well as the results of the readability test of the students obtain "Excellent" category. Moreover, the results of the implemented tests of all practices obtain "Almost All Activities Implemented" category. As a result, the practical guidebook of the human circulatory system with ADI model is valid and practical.

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25

Nassib, Sherif A. "AN APPROACH FOR MIMICKING ROAD PLANNING AND CIRCULATORY SYSTEM IN HUMAN BODY." MATTER: International Journal of Science and Technology 1, no. 1 (May 25, 2017): 212–27. http://dx.doi.org/10.20319/mijst.2016.s11.212227.

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26

Alkhawaldeh, Salem A. "Enhancing Ninth Grade Students' Understanding of Human Circulatory System Concepts Through Conceptua." European Journal of Social & Behavioural Sciences 2, no. 2 (October 1, 2012): 201–22. http://dx.doi.org/10.15405/futureacademy/ejsbs(2301-2218).2012.2.7.

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27

Arnaudin, Mary W., and Joel J. Mintzes. "Students' alternative conceptions of the human circulatory system: A cross-age study." Science Education 69, no. 5 (October 1985): 721–33. http://dx.doi.org/10.1002/sce.3730690513.

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28

Smirnov, I. V., and A. A. Khachatur'yan. "Transhemation of bovine and human hemoglobin polymers in a simulated circulatory system." Bulletin of Experimental Biology and Medicine 112, no. 5 (November 1991): 1601–3. http://dx.doi.org/10.1007/bf00840423.

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29

Khalid, A. K., Z. S. Othman, and CT M. N. M Shafee. "A review of mathematical modelling of blood flow in human circulatory system." Journal of Physics: Conference Series 1988, no. 1 (July 1, 2021): 012010. http://dx.doi.org/10.1088/1742-6596/1988/1/012010.

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30

Sodnompilova, M. M., and B. Z. Nanzatov. "Human Body in Traditional Views of Turkic and Mongolian Peoples: Blood and Circulatory System." Bulletin of the Irkutsk State University. Geoarchaeology, Ethnology, and Anthropology Series 34 (2020): 49–58. http://dx.doi.org/10.26516/2227-2380.2020.34.49.

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The study of the human body in the system of traditional somatic ideas of the Turkic and Mongolian peoples of Inner Asia is urgent in the studies of humans as a social and biological beings. The problem of perception and comprehension of the composition of the main features constituting the human body, particularly such biological fluid as blood, is of particular interest in the study of mythological human anatomy. The interest in this element of the human body is due to the increased attention of the Turkic and Mongolian peoples to blood. The views on the nature of blood, the source of its formation, many prohibitions and signs associated with blood are known. Many concepts associated with human anatomy, including blood, formed the basis for the organization of the social structure of nomadic societies. Understanding the significant role of this biological fluid in the functioning of the body formed a certain system of ideas about the dependence of health, hereditary diseases and even a person's character on the appearance and volume of blood as the characteristics of this biological fluid available for visual perception. Blood unlike bone is mobile and changeable in the context of social interpretations. If the bone of the progenitor was not being changed passing to all his descendants, then the blood of representatives of the social community, who took women from different clans as wives, was mixed in marriage unions. The views of the Turkic and Mongolian peoples of Inner Asia on the composition of blood are characterized by uncertainty. The idea of a vital substance, a soul was widely developed in the worldview of the Turko-Mongols. Blood is one of the containers of the vital substance. A number of prohibitions and restrictions associated with blood allow us to talk about the significant role of the sun as a source of life, giving its vital energy to the blood. Obviously, evidence of this “relationship” is the color (red) and the warmth inherent to blood. However, ideas on the nature of blood formed in the traditional worldview of the Mongolian and Turkic peoples and recorded in the 18–19 centuries significantly differ from the early views of the ancestors of the nomads. Reconstruction of the Pra-Altai language made it possible to restore one of the key meanings of the term čiunu (blood) – “soul”, “wind”. We believe that early views on the nature of blood were greatly influenced by the phenomenon of respiration, which is characteristic of all beings.

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31

Alkhawaldeh, Salem A. "Facilitating conceptual change in ninth grade students’ understanding of human circulatory system concepts." Research in Science & Technological Education 25, no. 3 (September 20, 2007): 371–85. http://dx.doi.org/10.1080/02635140701535331.

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32

Kumalasari, Lita, A. Yusuf Hilmi, and Didik Priyandoko. "The application of multiple intelligence approach to the learning of human circulatory system." Journal of Physics: Conference Series 909 (November 2017): 012066. http://dx.doi.org/10.1088/1742-6596/909/1/012066.

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33

Izza, Mar’atul, Sukamti Sukamti, and Sri Estu Winahyu. "Analisis Miskonsepsi Materi Sistem Peredaran Darah Manusia Tema 4 pada Siswa Kelas V SD." Jurnal Pembelajaran, Bimbingan, dan Pengelolaan Pendidikan 1, no. 8 (August 30, 2021): 660–64. http://dx.doi.org/10.17977/um065v1i82021p660-664.

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Abstract: This study aims to describe the material misconceptions about the human circulatory system in fifth grade students at SD Negeri 1 Sumberpasir. This study uses a qualitative approach with data collection through essay tests and interviews. The research subjects were fifth grade students. The results showed that there were still many students who had misconceptions about the concept of the human circulatory organ, the process of human blood circulation, human blood circulation disorders and how to maintain the health of the circulatory organ. Abstrak: Penelitian ini bertujuan untuk mendeskripsikan miskonsepsi materi sistem peredaran darah manusia pada siswa kelas V di SD Negeri 1 Sumberpasir. Penelitian ini menggunakan pendekatan kualitatif dengan pengumpulan data melalui tes esai dan wawancara. Subjek penelitian yaitu siswa kelas V. Hasil penelitian menunjukkan masih banyak siswa yang mengalami miskonsepsi pada konsep organ peredaran darah manusia, proses peredaran darah manusia, gangguan peredaran darah manusia dan cara memelihara kesehatan organ peredaran darah.

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34

Asami, Ken'ichi, and Tadashi Kitamura. "The development of a physiological simulation system for the human circulatory system coupling macro and micro models." Systems and Computers in Japan 36, no. 3 (2005): 27–41. http://dx.doi.org/10.1002/scj.20135.

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35

Wu, Yi, Paul E. Allaire, Gang Tao, and Don Olsen. "Modeling, Estimation, and Control of Human Circulatory System With a Left Ventricular Assist Device." IEEE Transactions on Control Systems Technology 15, no. 4 (July 2007): 754–67. http://dx.doi.org/10.1109/tcst.2006.890288.

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36

Katz, A., M. K. Spencer, and K. Sahlin. "Failure of glutamate dehydrogenase system to predict oxygenation state of human skeletal muscle." American Journal of Physiology-Cell Physiology 259, no. 1 (July 1, 1990): C26—C28. http://dx.doi.org/10.1152/ajpcell.1990.259.1.c26.

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In a recent study, the total tissue contents of glutamate (Glu), ammonium (NH+4), and 2-oxoglutarate (2-OG) were used to estimate changes in the mitochondrial redox state ([NAD+]/[NADH]) of contracting skeletal muscle with intact circulation [Am. J. Physiol. 253 (Cell Physiol. 22): C263-C268, 1987]. These metabolites participate in the glutamate dehydrogenase (GDH) reaction, which, based on a number of assumptions, theoretically enables calculation of the mitochondrial redox state as follows (brackets indicate concentrations): [NAD+]/[NADH] = ([NH+4] [2-OG])/[( Glu]Kapp), where Kapp is the apparent equilibrium constant for GDH. The purpose of this study was to determine whether changes in the total tissue contents of Glu, NH+4, and 2-OG could be used to predict a reduction of the mitochondrial redox state in anoxic skeletal muscle. Anoxia was induced in the quadriceps femoris muscle by 10 min of circulatory occlusion (low metabolic rate) and isometric contraction to fatigue (high metabolic rate). The mean (+/- SE) value for the metabolite ratio ([NH+4][2-OG]/[Glu]) at rest was 6 +/- 3 mmol/kg dry wt (x 10(-4]. No significant change occurred after circulatory occlusion (4 +/- 2 x 10(-4); P greater than 0.05), whereas an almost 60-fold increase was observed after isometric contraction (P less than 0.05). Because the muscle was anoxic under both conditions, a significant decrease in the metabolite ratio should have occurred. These data demonstrate that changes in total tissue contents of Glu, NH+4, and 2-OG cannot be used to estimate changes in the redox and oxygenation state of mitochondria in intact human skeletal muscle.

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37

Neukirchen, Martin, Peter Kienbaum, David S. Warner, and Mark A. Warner. "Sympathetic Nervous System." Anesthesiology 109, no. 6 (December 1, 2008): 1113–31. http://dx.doi.org/10.1097/aln.0b013e31818e435c.

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For more than 100 yr, scientists have studied the sympathetic nervous system and its cardiovascular control mechanisms. Muscle sympathetic activity is the most important direct and rapidly responding variable for evaluation of sympathetic neural outflow. Because of its significance in response to environmental challenges and its role in cardiovascular control, great attention has been paid to the sympathetic nervous system in both health and disease and, more recently, also during general anesthesia. In fact, general anesthesia can also be considered as an investigational tool to assess mechanisms of cardiovascular regulation. This review evaluates different methods for determination of sympathetic nervous system activity and describes its role in human neurohumoral circulatory control. Furthermore, the effects of general anesthesia on sympathetic nervous system activity and their relevance for clinical anesthesia are discussed.

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38

Kurniawati, Desi, Ismul Mauludin Al Habib, and Dwi Sucianingtyas Sukamto. "Pengaruh Science Comic terhadap Hasil Belajar Siswa." BIOEDUSAINS: Jurnal Pendidikan Biologi dan Sains 1, no. 2 (December 24, 2018): 106–14. http://dx.doi.org/10.31539/bioedusains.v1i2.455.

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This research aims to determine the content of comic science on the learning outcomes of class VIII students on human circulatory system material in SMP Negeri 7 Jember. The design of this study is Nonequivalent Control Group Design. The sampling technique in this research was purposive sampling technique. The sample chosen by the researcher was class VIII D as the experimental class, 37 students and class VIII E as the physical control class of 35 students. The instrument of this research is a test using 10 valid questions. The technique of analyzing the experimental and class classes using non-parametric statistical tests, namely the Wilcoxon test which is calculated by the SPSS 24 application, obtained a significance of 0.00 less than 0.05. The average score of post-test in experimental class was 85.37 out of 37 students while in the control class was 69 out of 35 students. The average N-gain results was 0.77 from 37 students in the experimental class and in the control class was 0.69 from 35 students. From the results of the study, it can be concluded that science comic influences the learning outcomes of eighth grade students on human circulatory system material in SMP Negeri 7 Jember. Keywords: knowledge comics, learning outcomes, circulatory system

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Mikołajczak, Karolina, Karolina Czerwińska, Witold Pilecki, Rafał Poręba, Paweł Gać, and Małgorzata Poręba. "The Impact of Temporary Stay at High Altitude on the Circulatory System." Journal of Clinical Medicine 10, no. 8 (April 12, 2021): 1622. http://dx.doi.org/10.3390/jcm10081622.

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In recent times many people stay temporarily at high altitudes. It is mainly associated with the growing popularity of regular air travel, as well as temporary trips to mountain regions. Variable environmental conditions, including pressure and temperature changes, have an impact on the human body. This paper analyses the physiological changes that may occur while staying at high altitude in healthy people and in people with cardiovascular diseases, such as arterial hypertension, pulmonary hypertension, heart failure, ischemic heart disease, or arrhythmias. Possible unfavourable changes were underlined. Currently recognized treatment recommendations or possible treatment modifications for patients planning to stay at high altitudes were also discussed.

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Soulat, Gilles, Patrick McCarthy, and Michael Markl. "4D Flow with MRI." Annual Review of Biomedical Engineering 22, no. 1 (June 4, 2020): 103–26. http://dx.doi.org/10.1146/annurev-bioeng-100219-110055.

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Magnetic resonance imaging (MRI) has become an important tool for the clinical evaluation of patients with cardiac and vascular diseases. Since its introduction in the late 1980s, quantitative flow imaging with MRI has become a routine part of standard-of-care cardiothoracic and vascular MRI for the assessment of pathological changes in blood flow in patients with cardiovascular disease. More recently, time-resolved flow imaging with velocity encoding along all three flow directions and three-dimensional (3D) anatomic coverage (4D flow MRI) has been developed and applied to enable comprehensive 3D visualization and quantification of hemodynamics throughout the human circulatory system. This article provides an overview of the use of 4D flow applications in different cardiac and vascular regions in the human circulatory system, with a focus on using 4D flow MRI in cardiothoracic and cerebrovascular diseases.

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Nakahashi, Miyuki, Harumi Morooka, Chie Nakajima, Seizo Sato, and Hideo Morooka. "Effects of Clothing Pressure of Pantyhose with Controlled Loop Length on the Human Circulatory System." FIBER 59, no. 10 (2003): 407–13. http://dx.doi.org/10.2115/fiber.59.407.

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Khurshid, Uzair, Abdulrahman Mahmoud, Aiman Abducarim, Sakib Mahmud, Omrane Abdallah, Elshaikh Mohamed, Faycal Bensaali, et al. "Towards the design and implementation of a human circulatory system for Extracorporeal Membrane Oxygenation simulation." Egyptian Journal of Critical Care Medicine 6, no. 3 (December 2018): 87–89. http://dx.doi.org/10.1016/j.ejccm.2018.12.017.

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Christou, Demetra D., Pamela Parker Jones, Annemarie E. Pimentel, and Douglas R. Seals. "Increased abdominal-to-peripheral fat distribution contributes to altered autonomic-circulatory control with human aging." American Journal of Physiology-Heart and Circulatory Physiology 287, no. 4 (October 2004): H1530—H1537. http://dx.doi.org/10.1152/ajpheart.00322.2004.

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Autonomic nervous system (ANS) control of the circulation is altered with aging in adult humans. Similar changes are observed in obesity, particularly abdominal obesity. To determine whether age-associated differences in ANS-circulatory function can be partially explained by increased body fatness, we examined ANS function and three expressions of adiposity (total body fat, abdominal body fat, and abdominal-to-peripheral body fat distribution; dual-energy X-ray absorptiometry) in 43 healthy men: 27 young (25 ± 1 yr) and 16 older (65 ± 1). ANS functions assessed included 1) autonomic support of arterial blood pressure (BP; radial artery catheter), i.e., the reduction in BP during versus before acute ganglionic blockade (GB; intravenous trimethaphan); 2) baroreflex buffering, i.e., the increase in systolic BP with continuous incremental and bolus infusions of phenylephrine during versus before GB; 3) cardiovagal baroreflex sensitivity (Oxford technique); and 4) heart rate variability (time- and frequency-domain analyses). Covarying for abdominal-to-peripheral fat distribution reduced or abolished age-related differences in ANS support of BP, cardiovagal baroreflex sensitivity, and heart rate variability but did not affect age-related differences in baroreflex buffering. Covarying for abdominal and total fat had small selective or no effects on age-associated differences in autonomic-circulatory control. Abdominal-to-peripheral fat distribution explains a significant portion of the variance in a number of autonomic-circulatory functions attributable to aging. Therefore, the development of this fat pattern may contribute to several changes in ANS-cardiovascular function observed with aging. These results may help explain how changes in body fat distribution with advancing age are linked to impairments in circulatory control.

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Bhal, PS, and RW Shaw. "The theoretical implications and practical applications of follicular Doppler." Reproductive Medicine Review 7, no. 2 (July 1999): 95–109. http://dx.doi.org/10.1017/s096227999900023x.

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Doppler ultrasound is a noninvasive method of investigating patterns of blood flow and its changes in the human circulatory system. Its use in the assessment of vascular disease is well established. Its application in gynaecology was first documented over a decade ago.

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Esler, Murray. "The 2009 Carl Ludwig Lecture: pathophysiology of the human sympathetic nervous system in cardiovascular diseases: the transition from mechanisms to medical management." Journal of Applied Physiology 108, no. 2 (February 2010): 227–37. http://dx.doi.org/10.1152/japplphysiol.00832.2009.

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Sympathetic nervous system responses typically are regionally differentiated, with activation in one outflow sometimes accompanying no change or sympathetic inhibition in another. Regional sympathetic activity is best studied in humans by recording from postganglionic sympathetic efferents (multiunit or single fiber recording) and by isotope dilution-derived measurement of organ-specific norepinephrine release to plasma (regional “norepinephrine spillover”). Evidence assembled in this review indicates that sympathetic nervous system abnormalities are crucial in the development of cardiovascular disorders, notably heart failure, essential hypertension, disorders of postural circulatory control causing syncope, and “psychogenic heart disease,” heart disease attributable to mental stress and psychiatric illness. These abnormalities involve persistent, adverse activation of sympathetic outflows to the heart and kidneys in heart failure and hypertension, episodic or ongoing cardiac sympathetic activation in psychogenic heart disease, and defective sympathetic circulatory reflexes in disorders of postural circulatory control. An important goal for clinical scientists is translation of knowledge of pathophysiology, such as this, into better treatment for patients. The achievement of this “mechanisms-to-management” transition is at differing stages of development with the different conditions. Clinical translation is mature in cardiac failure, knowledge of cardiac neural pathophysiology having led to introduction of β-adrenergic blockers, an effective therapy. With essential hypertension, perhaps we are on the cusp of effective translation, with recent successful testing of selective catheter-based renal sympathetic nerve ablation in patients with resistant hypertension, an intervention firmly based on demonstration of activation of the renal sympathetic outflow. With psychogenic heart disease and postural syncope syndromes, knowledge of the neural pathophysiology is emerging, but clinical translation remains for the future.

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Altyntsev, Ievgenii, and Andrzej Korczak. "Dynamics of the Interaction between Human Circulatory System and Centrifugal Pump as a Left Ventricle Assist Device." Applied Mechanics and Materials 630 (September 2014): 365–74. http://dx.doi.org/10.4028/www.scientific.net/amm.630.365.

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Mathematical modeling of the complex process in the human cardiovascular system is powerful tool to evaluate the dynamic system response for the parameters change. Widely used continuous flow pumps (Left Ventricle Assist Device - LVAD) interacting with the circulatory system and work parameters of the assist device are changing dynamically. Different parameters of the system affect the pump operating conditions and on the contrary. Mathematical modeling of interaction between the cardiovascular system and mechanical assist device allows to identify the dangerous effects in the pump and system operation, and to eliminate such situations in the practical using of such pumps.

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Wiwatanapataphee, Benchawan, Phattharawadee Hadkaew, and Yong Hong Wu. "Project-based Learning Model for the Study of Blood Flow in the Human Blood Circulatory System." International Journal of Learning: Annual Review 15, no. 3 (2008): 195–202. http://dx.doi.org/10.18848/1447-9494/cgp/v15i03/45686.

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Matsui, Toshiro, Kei Tamaya, Eiji Seki, Katsuhiro Osajima, Kiyoshi Matsumoto, and Terukazu Kawasaki. "Val-Tyr As A Natural Antihypertensive Dipeptide Can Be Absorbed Into The Human Circulatory Blood System." Clinical and Experimental Pharmacology and Physiology 29, no. 3 (March 2002): 204–8. http://dx.doi.org/10.1046/j.1440-1681.2002.03628.x.

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Özgür, Sami. "The Persistence of Misconceptions about the Human Blood Circulatory System among Students in Different Grade Levels." International Journal of Environmental and Science Education 8, no. 2 (April 2013): 255–68. http://dx.doi.org/10.12973/ijese.2013.206a.

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Sadi, Ozlem, and Jale Cakiroglu. "Relation of Cognitive Variables with Students’ Human Circulatory System Achievements in Traditional and Learning Cycle Classrooms." Procedia - Social and Behavioral Sciences 46 (2012): 399–403. http://dx.doi.org/10.1016/j.sbspro.2012.05.130.

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