Question

biology mein heart ka working model kaise karoon ideas ​

Answer 1

explain about hearts chambers and their function. like there are four chambers in human heart upper two chambers are artrium or lower two are ventricles. they further divided into two parts right or left

by which the artery or veins are attached

first the pulmonary vein takes blood from lungs to left artrium .then by pumping of blood it move in left ventricle. then the artery takes pure blood from heart to body parts .as it is the veins takes impure blood from body parts to heart by right atrium and by pumping blood goes into right ventricle.

from right ventricle pulmonary artery takes the impure blood into lungs.