Biology, 28.01.2021 16:20 IrieBoy7584
Q2: Put the following events in their correct order starting with the first one listed: atria fill with blood, semi-lunar valves close, tricuspid and bicuspid valves close, ventricles contract, semi-lunar valves open, atria contract, ventricles relax, tricuspid and bicuspid valves open
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Q2: Put the following events in their correct order starting with the first one listed:
atria fill...
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