1.

Explain about heart chambers​

Answer»

The heart has four CHAMBERS: two atria and two ventricles. The right atrium RECEIVES oxygen-poor BLOOD from the body and PUMPS it to the right ventricle. The right ventricle pumps the oxygen-poor blood to the LUNGS. The left atrium receives oxygen-rich blood from the lungs and pumps it to the left ventricle....



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