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The main purpose of the mitral valve is to

keep blood from flowing out of the heart
.
o keep blood from flowing back to the right
ventricle from the left ventricle.
O keep blood from flowing back to the left
atrium from the left ventricle.

User Pinchy
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1 Answer

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Answer:

to keep flowing of blood from left atrium to left ventricle

User Pranoti
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