The flow of blood into the ventricles increas | vedclass

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(B) During the cardiac cycle,the atria undergo contraction (atrial systole) while the ventricles are in diastole.This atrial systole forces the remain

Vedclass · Accepted Answer

$30$

Vedclass · Answer

(B) During the cardiac cycle,the atria undergo contraction (atrial systole) while the ventricles are in diastole.This atrial systole forces the remaining blood from the atria into the ventricles.This process contributes an additional $30\%$ of blood flow into the ventricles,as $70\%$ of the blood flows passively into the ventricles before the atrial contraction occurs.Therefore,the correct answer is $30\%$.

The flow of blood into the ventricles increases by $.........\,\%$ due to the simultaneous systole of the atria.

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