Question

How does the blood circulate between lungs and heart in human beings?

Answer 1

how does a lungs circulate blood first lthe human body take a right option to circulate blood you know that lungs take the breath so we can breath with only two parts lungs and heart we cannot move down

Answer 2

Answer:

firstly the superior and inferior vena ceva collect deoxygenated  blood from all body parts and transport it to the right  atrium then right atrium sends the blood to the right ventricle and through pulmonary artery the blood is transported to lungs to be purified then purified blood is transported to left atrium by pulmonary vein then left atrium transfer the oxygenated blood to left ventricle and through aorta the oxygenated blood is transferred to all the body parts

Explanation:

this circulation of the blood is known as double circulation of the blood .

because blood passes two times the heart in completing one cycle..

hope it would be helpful..