The heart is made up of _______________
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The heart is enclosed in a protective sac, the pericardium, which also contains a small amount of fluid. The wall of the heart is made up of three layers: epicardium, myocardium, and endocardium. The heart pumps blood with a rhythm determined by a group of pacemaking cells in the sinoatrial node.
Vein: Superior vena cava, inferior vena cava, right and left pulmonary veins, great ca...
Artery: Aorta, pulmonary trunk and right and left pulmonary arteries, right coronary ar...
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The heart is made up of Cardiac Muscles .
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