Tapping at the drawing with her pen, she began, "I understand that heart has four chambers but why do people think that someone can actually live in those chambers? That's not what the chambers are for. 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. As for left atrium..."
Master's Untamed Wife
Urban · XiaoMeeHee
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