muscle crossword review

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Across
  1. 3. closing of AV valves
  2. 6. graphic record of heart activity
  3. 8. seriesofwires/nervescarryingelectriimplulsestoventricles/lowchambersthruseptumcoordinatingventricularcontractions
  4. 10. (heart attack) Prolonged agina(chestpain)heart cells may die
  5. 13. events of one heartbeat
  6. 16. distributes impulse out to the ventricles
  7. 17. abnormal/unusual heart sounds
  8. 18. pacemaker
  9. 19. contraction of ventricles
Down
  1. 1. lack of adequate blood supply to heart
  2. 2. uncoordinated shuddering of heart muscle, useless pump
  3. 4. very slow heart rate (60beats)
  4. 5. rapid heart rate exceeding 100 beats per min
  5. 7. relaxation of ventricles
  6. 9. represent-a trial contraction
  7. 11. atrioventricular node carries on signal from SA node to bundle of his
  8. 12. chest pain caused by heart muscle being deprived of oxygen
  9. 14. semilunar vales at end of systole
  10. 15. represents-ventricular contraction
  11. 20. sendelectricalsignals
  12. 21. wave-represents-ventricular relaxation