What is the heart's function and function?

The heart is the power center of the circulatory system of the human body. It is mainly composed of the left atrium, the left ventricle, the right atrium and the right ventricle. Blood generally flows into the ventricle through the atrium. The main function of the heart is to pump blood, provide blood for the organs and tissues of the body, provide nutrients to the cells, and take away metabolites such as carbon dioxide, inorganic salts and urea in the body, so as to maintain the normal metabolic function of the cells

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