explain the diastol nd systole.
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Explanation:
when the arteries relax or contracts is called systolic pressure
when arteries expand it is called as diastolic pressure
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Answer:
Systole and diastole are the different phases of cardiac cycle.
Explanation:
Shortly systole and diastole are considered as heart beat.
Systole is the contraction of heart while pumping of blood.
Diastole is the relaxation of heart while collecting of blood.
The heart beats 72 times in a minute means systole and diastole occurs 72 times in a minute.
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