Heart Physiology Video Lessons

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Problem: During the systolic phase of the cardiac cycle, the heart is _____.A. ContractingB. RelaxingC. Contracting and relaxingD. Filling with blood

FREE Expert Solution

The periodic heart contraction and relaxation give rise to cyclic changes in the blood pressure. This is basically known as the cardiac cycle. These are determined by two main events: the ventricular systole and diastole.

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Problem Details

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

A. Contracting

B. Relaxing

C. Contracting and relaxing

D. Filling with blood

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