What is mean by heart ?
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The muscle that pumps blood received from veins into arteries throughout the body. ... The heart is composed of specialized cardiac muscle, and it is four-chambered, with a right atrium and ventricle, and an anatomically separate left atrium and ventricle.
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6
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Heart: The muscle that pumps blood received from veins into arteries throughout the body. ... The heart is composed of specialized cardiac muscle, and it is four-chambered, with a right atrium and ventricle, and an anatomically separate left atrium and ventricle.
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