3 years ago

Stage of the heart cycle in which the heart muscle is relaxed

2 answers:

alexandr1967 [171]3 years ago

8 0

The stage of the heart cycle in which the heart muscle is relaxed<span>, allowing the chambers to fill with blood. ... The </span>stage of the heart cycle in which the heart muscle<span> contracts and the chambers pump blood. Systolic Pressure. Blood pressure in the arteries during contraction of the ventricles</span>

baherus [9]3 years ago

6 0

It allows the chambers fill with blood. The muscles contracts and the chambers pump blood.

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