Question

During the systolic phase of the cardiac cycle, the heart is ________.

a) Contracting
b) Relaxing
c) Filling with blood
d) None of the above

Answer 1

During the systolic phase, the heart is contracting and pushing blood out of the heart.

Step-by-step explanation:

During the systolic phase of the cardiac cycle, the heart is contracting. This is the phase when the ventricles contract and push blood out of the heart. The atria relax during this phase, allowing the blood to flow into the ventricles.