Biology, asked by Poorva340, 11 months ago

Sudden closure of tricuspid and bicuspid valves occurs due to
(a) Backflow of blood from aorta to ventricles
(b) Backflow of blood from ventricles towards the atria
(c) Ventricular diastole
(d) Atrial Systole

Answers

Answered by gunu931

2

backflow of blood from atria to ventricles

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