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function of left atrium 

Sagot :

The left atrium is one of four chambers in the human heart. It receives oxygenated blood from the pulmonary veins, and pumps it into the left ventricle, via the mitral valve. Atria facilitate circulation primarily by allowing uninterrupted venous flow to the heart, preventing the inertia of interrupted venous flow that would otherwise occur at each ventricular systole.
The left atrium is one of four chambers in the human heart. It receives oxygenated blood from the pulmonary veins, and pumps it into the leftventricle, via the mitral valve.