VeronicaCatGirl VeronicaCatGirl

11-04-2021
Biology

contestada

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

Respuesta :

khushnumau khushnumau

11-04-2021

It contracts and relaxes!

Hope this helped u!!

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