The heart
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Nikhil Rajput
7 hours ago Health
The heart is a muscular organ at the center of the circulatory system, responsible for pumping blood throughout the body. It supplies oxygen and nutrients to tissues and removes carbon dioxide and waste products.🫀 Structure of the Heart: Four Chambers: Two atria (upper chambers) and two ventricles (lower chambers). Valves: Tricuspid, pulmonary, mitral, and aortic […]