Question

Describe the flow of blood during double circulation in human heart

Answer 1

genated blood flows through the pulmonary vein to left atrium when it contracts valve 1 opens and blood flows to left ventricle.now the main artery aorta takes the blood to various body cells.then the deoxgenated blood is taken by main vein vena cava to right atrium and when it contracts the blood flows in the right ventricle and the valve 2 gets closed so that the blood do not flow back and then the pulmonary artery takes the deoxyginated blood to lungs 
Hope it helps....Plz mark brainiest