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Questions and Answers
Which of the following is the primary function of the heart?
Which of the following is the primary function of the heart?
- Digestion of nutrients
- Filtration of blood
- Oxygenation of blood (correct)
- Regulation of body temperature
From which chamber of the heart does the left ventricle receive oxygenated blood?
From which chamber of the heart does the left ventricle receive oxygenated blood?
- Right atrium
- Left ventricle
- Left atrium (correct)
- Right ventricle
What is the main role of arteries in the circulatory system?
What is the main role of arteries in the circulatory system?
- Exchange oxygen and carbon dioxide
- Filter impurities from the blood
- Carry blood to the heart
- Carry blood away from the heart (correct)
What is the primary function of veins in the circulatory system?
What is the primary function of veins in the circulatory system?
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During which phase of the cardiac cycle does the heart relax and fill with blood?
During which phase of the cardiac cycle does the heart relax and fill with blood?
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Which blood vessels have thin walls that allow for the exchange of gases and nutrients with tissues?
Which blood vessels have thin walls that allow for the exchange of gases and nutrients with tissues?
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What is the purpose of the valve between the left atrium and left ventricle?
What is the purpose of the valve between the left atrium and left ventricle?
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