When the ventricles relax,the __________ valve prevents backflow of blood into the left ventricle.

Question

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When the ventricles relax, the aortic valve prevents backflow of blood into the left ventricle. The mitral and left AV valves are located between the left atrium and left ventricle, and would not prevent backflow into the ventricle. The pulmonary and right AV valves are located on the right side of the heart, and would not prevent backflow into the left ventricle.

When the Ventricles Relax,the __________ Valve Prevents Backflow of Blood