Question

What is the role of valves in the human heart?

Answer 1

valve function is to prevent backward flow of the blood.....the blood passes through valve before leaving each chamber of the heart...

Explanation:

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Answer 2

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Answer:

Valves

• It's a passage through which blood passes before leaving each chamber of the heart.
• The four valves of heart keep blood moving correctly.
• The heart valves normally allows blood to flow in only one direction through the heart.

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