Many people think the mammalian heart is just for loving, no the heart is not just for loving,the heart have his work that it does to help the whole body, follow and see how the heart work.
The heart is a large muscular pear shaped which is divided into two sides, the right and left. It lies in thorax (chest cavity) between the lungs and slightly tilted to the left. The heart has four (4) Chambers, the Chambers on the right are separated from the Chambers on the left by a wall called septum. There are two thick walled upper Chambers called auricles (atrial) and two thick walled lower Chambers called ventricles . The tricuspid valve separate the right atrium from the right ventricles whiles the mitral valve separate the left atrium from the left ventricle.
The left Chamber Carrie's oxygenated blood whiles the right Chamber Carrie's deoxygenated blood.
Double circulation (pulmonary circulation and systemtic circulation).
pulmonary circulation; deoxygenated blood from the right ventricle is pumped into the pulmonary atrium to the lungs for oxygenation. From the lungs, oxygenated blood return to the left atrium through pulmonary vein. The atrium contracts, forcing blood through the tricuspid valve into the left ventricles.
sysmetic circulation; oxygenated blood from the left ventricle is pumped through the aorta to the various part of the body.
Function of the heart;
People think the heart is just for loving and that is wrong, the only function of the heart is to pump blood into the various part of the body.
Content created and supplied by: Kwamevic (via Opera News )
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