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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 C. Arteries B. Valves D.…

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 C. Arteries B. Valves D.…
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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 C. Arteries B. Valves D. Ventricles

User Sageth
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2 Answers

6 votes

Answer:

anwser is B: valves

Step-by-step explanation:

User Mostafa Arian Nejad
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3 votes
valves, they are like flaps of muscle that keeps the blood in its place util its ready to be pumped along.

User Blacklabel
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