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How does the heart keep the blood flowing throughout the body? It contracts and relaxes It inflates and deflates It inhales and exhales It opens and closes
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1 vote
How does the heart keep the blood flowing throughout the body?

It contracts and relaxes
It inflates and deflates
It inhales and exhales
It opens and closes

User Brianchirls
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5.3k points

2 Answers

5 votes

Answer:

b

Step-by-step explanation:

User MarJano
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5.0k points
4 votes

Answer:

It contracts and relaxes awnser is a

Step-by-step explanation:

im from flvs

User OV Web Solutions
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