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Which structure of the heart acts like an automatic door that closes once blood enters a chamber and forces it to exit in the proper direction. A. atria B. valves C. arteries D. ventricles
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Which structure of the heart acts like an automatic door that closes once blood enters a chamber and forces it to exit in the proper direction.

A.
atria

B.
valves

C.
arteries

D.
ventricles

User Damith Udayanga
by
8.2k points

1 Answer

2 votes
The answer is D ventricles

User Kishan Sharma
by
8.1k points
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