The term systolic is refers to: __________?
Correct answer: A. Contraction of heart
- A. Contraction of heart
- B. Relaxation of heart
- C. Volume of heart
- D. Output of heart
Explanation
Systole is the phase in which the heart muscle contracts and ejects blood from its chambers. Relaxation is called diastole, so volume and output do not define systolic.
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