how to make heart working model making using syringe easy
Functionality of Heart in human body The heart is a muscular organ that pumps blood throughout the body. It is divided into four chambers: the right atrium, which receives deoxygenated blood from the body; the left atrium, which receives oxygenated blood from the lungs; the right ventricle, which pumps deoxygenated blood to the lungs for … Read more