Seudónimo Seudónimo

22-04-2021
Chemistry

contestada

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

Respuesta :

22-04-2021

Answer:

b

Explanation:

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westrada570 westrada570

11-08-2021

Answer:

It contracts and relaxes awnser is a

Explanation:

im from flvs

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