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Oxygen-poor blood (shown in blue) flows from the body into the right atrium. Blood flows through the right atrium into the right ventricle. The right ventricle pumps the blood to the lungs ...
It opens due to a build-up of pressure in the right atrium, and prevents back flow of blood from the right ventricle to the right atrium. The bicuspid valve separates the left atrium and left ...
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