MEDICAL
HEART AND PERICARDIUM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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How do the heart valves let blood flow through the heart?
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they close
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they open
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they open and close
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none of the above
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Explanation:
Detailed explanation-1: -The valves open and shut in time with the pumping action of your heart’s chambers. The opening and closing involve a set of flaps called cusps or leaflets. The cusps open to allow blood to flow out of a chamber and close to allow the chamber to refill with blood.
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