During ventricular systole (contraction):

Biology
Tutor: None Selected Time limit: 1 Day

a.the ventricles relax.

b.blood flows from the ventricles into the atria

c.the tricuspid and mitral valves are open.

d.blood flows from the ventricles to the pulmonary artery and aorta

e.the atria contract.

Apr 25th, 2015

d)blood flows from the ventricles to the pulmonary artery and aorta

Apr 25th, 2015

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Apr 25th, 2015
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Apr 25th, 2015
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