Which structure prevents the mixing of deoxygenated and oxygenated bloods in auricles
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Valves are present to prevent the backflow of blood. The right side pumps deoxygenated blood (low in oxygen and high in carbon dioxide) to the lungs. The left side pumps oxygenated blood (high in oxygen and low in carbon dioxide) to the organs of the body. Deoxygenated blood enters the right atrium from the vena cava.
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