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heart 3

cardiovascular

QuestionAnswer
regurgitation blood backing up
stinosis valves dont open good
semilunar (SL) leaving ventricles
lub S1 AV valves closing
dup S2 semilunar valves closing
valve movement= heart sounds and blood flow
atrial contraction atria contracts, pushes blood to ventricles, AV opens and SL close
ventricular contraction ventricles contract and push blood out AV close to prevent backflow and SL open
Created by: b.marshall
 

 



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