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Select the correct statement about the heart valves.A) Aortic and pulmonary semilunar valves control the flow of blood into the heartB) The tricuspid valve divides the left atrium from the left ventricleC) The atrioventricular (AV) valves prevent backflow of blood into the atria during ventricular contractionD) The mitral (bicuspid) valve separates the right atrium from the right ventricle

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