Taylasmith12 Taylasmith12

14-03-2017
Biology

Answered

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

Verified Answer :

brittneyamber312 brittneyamber312

14-03-2017

The answer is D ventricles

Answer Link

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