Left Atrium - This chamber receives oxygenated blood from the body before passing it onto the left ventricle, Left Ventricle - This chamber pumps blood into the aorta which takes the oxygenated blood around the body., Endocardium - Lines the inner heart chambers & allows blood to flow freely, Right Ventricle - This chamber pumps blood into the pulmonary artery, before directing the blood to the lungs, Tricuspid Valve - This is located between the right atrium and right ventricle and prevents the back flow of blood., Aortic/semilunar valve - This valve lies between the left ventricle and the aorta preventing the back flow of blood., Pulmonary Veins - Carries oxygenated blood from the lungs to the left atrium, Superior Vena Cava - Is a large but short vein that carries deoxygenated blood from the upper half of the body to the right atrium, Aorta - The largest artery in the body, originating form the left ventricle it carries oxygenated blood to all parts of the body, Bicuspid Valve - This is situated between the left atrium and left ventricle and prevents the backflow of blood., Epicardium - Outermost layer of heart - prevents overextension during heart contraction, Septum - Seperates left and right side of the heart, Pulmonary Artery - Carries deoxygenated blood from the heart to the lungs. It is the only artery in the body that carries deoxygenated blood, Inferior Vena Cava - Is a vein that carries deoxygenated blood from the lower half of the body to the right atrium, Myocardium - This is the middle layer of the heart wall - the part that contracts, Right Atrium - This chamber receives deoxygenated blood from the body before delivering it to the right ventricle,

Heart structures and functions

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