1. What is the function of the valves in the heart? 2. What is the function of the chordae tendineae? The AV valves prevent 3. The semilunar valves prevent backflow in the backflow into the 4. How does the operation of the semilunar valves differ from that of the AV valves?
1. What is the function of the valves in the heart? 2. What is the function of the chordae tendineae? The AV valves prevent 3. The semilunar valves prevent backflow in the backflow into the 4. How does the operation of the semilunar valves differ from that of the AV valves?
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Transcribed Image Text:CARDIOVASCULAR SYSTEM
1. What is the function of the valves in the heart?
2. What is the function of the chordae tendineae?
The AV valves prevent
3. The semilunar valves prevent backflow in the
backflow into the
4. How does the operation of the semilunar valves differ from that of the AV valves?
5. Name the three vessels that drain blood into the right atrium.
Is this blood oxygen rich or oxygen poor?
6. Name the vessels which drain blood into the left atrium.
Is
this blood oxygen rich or oxygen poor?
7. Distinguish between pulmonary and systemic circulation.
8. If the mitral (bicuspid) valve does not close properly, which circulation is affected (pulmonary or
systemic)?
9. Why might a thrombus (blood clot) in the anterior descending branch of the left coronary artery cause
sudden death?
10. Based on your observation of model and cadaver images, what differences do you observe between the
right and left ventricles?
11. How do the structural differences between the right and left ventricles relate to the functioning of these
chambers?
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