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A) aortic semilunar valve b) mitral (bicuspid) valve c) tricuspid valve d) pulmonary semilunar valve 1) prevents backflow into the left ventricle. 2) prevents backflow into the right atrium. 3) prevents backflow into the left atrium. 4) prevents backflow into the right ventricle. 5) atrioventricular (av) valve with two flaps. 6) atrioventricular (av) valve with three flaps.
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A) aortic semilunar valve b) mitral (bicuspid) valve c) tricuspid valve d) pulmonary semilunar valve...
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