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The valves in the heart open and close to move blood in between heart chambers. O a) three directions O b) two directions O c) four directions d) one direction

Sagot :

d) one direction

HEART VALVES OPEN TO MOVE BLOOD ONLY IN ONE DIERECTION WHICH IS FORWARD DIRECTION BLOOD NEVER FLOW BACKWARD INSIDE HEART.
Pandamilleidn

Hi,

The valves in the heart open and close to move blood in between heart chambers.

Answer:

d) one direction

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