How does the heart keep the blood flowing throughout the body? A: It contracts and relaxes B: It inflates and deflates C: It inhales and exhales D: It opens and closes

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Mateus asked Aug 25, 2022

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How does the heart keep the blood flowing throughout the body?

A: It contracts and relaxes
B: It inflates and deflates
C: It inhales and exhales
D: It opens and closes

Biology
middle-school

Mateus asked Aug 25, 2022

by Mateus

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1 Answer

16 votes

It contracts and relaxes!

Hope this helped u!!

Mhall answered Aug 29, 2022

by Mhall

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