the function of the parts of the heart
Answer (1)
Main Parts and Their RolesRight Atrium - Receives deoxygenated blood from the body.Right Ventricle - Pumps deoxygenated blood to the lungs.Left Atrium - Receives oxygenated blood from the lungs.Left Ventricle - Pumps oxygenated blood to the rest of the body.Tricuspid Valve - Prevents backflow between the right atrium and ventricle.Pulmonary Valve - Prevents backflow from the pulmonary artery into the right ventricle.Mitral (Bicuspid) Valve - Prevents backflow between the left atrium and ventricle.Aortic Valve - Prevents backflow from the aorta into the left ventricle.Septum - The muscular wall dividing the left and right sides, preventing blood mixing.Coronary Arteries - Supply blood to the heart muscle itself.Sinoatrial (SA) Node - The heart's natural pacemaker, initiating electrical impulses.Atrioventricular (AV) Node - Transmits electrical impulses from the atria to the ventricles.
