cravingnafi9055 cravingnafi9055

04-11-2017
Biology

contestada

What is the state of the heart during systole?
a. filling with blood
b. suffering an attack
c. contracting
d. at rest?

Respuesta :

sadiebug22 sadiebug22

05-11-2017

A the heart refills with blood it the last stage of a heartbeat

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