Working Mechanism of Heart

This is about working mechanism of heart 

&

Systole and Diastole

systole. Now the blood in both atrium is pushed through the Tricuspid and

Bicuspid valves into their ventricles. The right ventricle receives

deoxygenated blood and the left ventricle receives oxygenated blood. Then

there is ventricular systole. During this systole the right ventricle pushes

impure blood into the pulmonary artery the opening is guarded by semilunar

REF: Textbook of Tamilnadu