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

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Cherisse asked Jan 2, 2022

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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

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Cherisse asked Jan 2, 2022

by Cherisse

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14 votes

Answer:

O b) two directions

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I think

Hang Chen answered Jan 4, 2022

by Hang Chen

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6 votes

b) two directions

i think

Samir Aguiar answered Jan 6, 2022

by Samir Aguiar

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