cardiovascular review

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Across
  1. 5. sinoatrial node (SA node)
  2. 6. endothelium lines chambers
  3. 10. receive blood
  4. 12. blood to/from all body tissues
  5. 13. pump blood out
  6. 14. uncoordinated shuddering of heart
  7. 15. wall between atria and ventricles
  8. 16. rapid heart rate
  9. 17. volume of blood pumped out by ventricle
  10. 18. prevent backflow of blood
  11. 19. lack of blood supply to the heart
Down
  1. 1. blood to and from lungs
  2. 2. slow heart rate
  3. 3. clogged coronary vessels
  4. 4. one heartbeat
  5. 6. electrical record of heart's activity
  6. 7. heart muscle
  7. 8. outer layer of heart
  8. 9. heart deprived of O2, leads to chest pain
  9. 11. unusual heart sound