During the systole phase of cardiac cycle, blood .
A
leaves the heart
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B
rests in the heart
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C
returns to the heart
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D
enters the heart
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Solution
The correct option is A leaves the heart Systole is the contraction of the right and left ventricles, resulting in blood flow to the lungs and the rest of the body, respectively. Diastole includes the contraction of the atria and the filling of the ventricles.