Cardiovascular Crossword

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Across
  1. 3. from myocardium
  2. 8. graphic record of heart activity
  3. 9. outer layer (pericardium)
  4. 12. carries on the signal from the SA Node to the bundle of his
  5. 16. Endothelium lines chambers
  6. 19. above diaphragm
  7. 20. wall between atria and ventricles
Down
  1. 1. prolonged angina, heart cells may die
  2. 2. contractions of ventricles
  3. 4. volume of blood pumped out by one ventricle with each beat
  4. 5. rapid heartbeat
  5. 6. uncoordinated shuddering of heart muscle, useless pump
  6. 7. distributes the impulse out to the ventricles
  7. 10. Cardiac Muscle
  8. 11. abnormal or unusual heart sounds
  9. 13. prevent the backflow of blood
  10. 14. series of “wires” that carry the electrical impulses into the lower chambers through the septum
  11. 15. events of one heartbeat
  12. 17. pacemaker of the heart
  13. 18. relaxation of ventricles