The human heart is a muscular organ that pumps blood throughout the body, consisting of four chambers: two atria and two ventricles. It circulates oxygenated and deoxygenated blood via the circulatory system.
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The human heart is a muscular organ that pumps blood throughout the body, consisting of four chambers: two atria and two ventricles. It circulates oxygenated and deoxygenated blood via the circulatory system.
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