27 Jun Cardiovascular System: Heart
Question
Cardiovascular System: Heart
1. Identify the location of the heart?
2. Describe the layers of the pericardium and heart wall.
3. How do atria and ventricles differ in structure and function?
4. Which blood vessels that enter and exit the heart carry oxygenated blood? Which carry deoxygenated blood?
5. In correct sequence, which heart chambers, heart valves, and blood vessels would a drop of blood encounter from the time it flows out of the right atrium until it reaches the aorta?
6. Describe the main force that causes blood to flow through the heart.
7. Why is it that blood flowing through the chambers within the heart cannot supply sufficient oxygen or remove enough carbon dioxide from the myocardium?
8. Describe the path of an action potential through the conduction system.
9. What is the significance of the P wave, QRS complex, and T wave?
10. Explain the events that occur during each of the three phases of the cardiac cycle.
11. What causes the heart sounds?
12. Describe how stroke volume is regulated.
13. How does the autonomic nervous system help regulate heart rate?
14. What is aerobic exercise? Why are aerobic exercises beneficial?
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