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Questions and Answers
The cardiovascular system lecture aims to enable students to do what five things?
identify the location and structures and describe the physiology of heart and blood vessels, describe different phases in a cardiac cycle, understand the control of blood volume and pressure, point out the difference in circulatory system between fetus and adult, comprehend the disorders of heart and blood vessels.
Where is the heart located and what are its functions?
The heart is located in the thoracic cavity within the mediastinum and its functions include keeping O2-poor (or O2-deficient) blood separate from O2-rich blood, keeping the blood flowing in one direction, creating blood pressure, and regulating the blood supply.
What are the three layers of the heart walls?
The three layers of heart walls are epicardium (心外膜), myocardium (心肌), and endocardium (endothelium, 心內膜).
What is the function of the epicardium?
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What is the thickest part of the heart wall and what is it made of?
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