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OpenStudy (monsterisenergy):
Could some one please tell me (1,2,3, or 4) , when the atrioventricular valves are closed/open and when the semilunar valves are closed/open ? Diagram in attached file.
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OpenStudy (monsterisenergy):
OpenStudy (anonymous):
4-the atrioventricular valves are open 1-the atrioventricular valves are closed 2-the semilunar valves are open 3-the semilunar valves are closed
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