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 :

iko9i8 iko9i8
  • 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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