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Biology, 27.04.2021 01:00 babyskitt

HELP THIS IS DUE IN 1 HOUR (No links or I'll Report) When the ventricles contract, the valve prevents blood flow from the:
A ventricle to atrium
B atrium to ventricle
C left ventricle to the right ventricle
D right atrium to the left atrium

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HELP THIS IS DUE IN 1 HOUR (No links or I'll Report) When the ventricles contract, the valve preve...
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