cardiovascular crossword puzzle review

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Across
  1. 1. Graphic record of the heart
  2. 3. Unusal heart sounds
  3. 6. Closing of ( AV) ventricles
  4. 7. Slow heartbeat
  5. 10. Stoppage of bleeding
  6. 13. Anchors valves flaps in their closed position
  7. 14. Relaxtion of ventricles
  8. 16. Wall between atria & ventricles
  9. 18. Series of wires
  10. 19. Records electrical activity of the heart
  11. 20. Cardiac muscle
Down
  1. 2. Events of one heartbeat
  2. 4. Distributes the impulse out to the ventricles
  3. 5. Prevent backflow of blood
  4. 8. Semilunar valves close at end of systole
  5. 9. Doublewalled sac
  6. 11. Contraction of events
  7. 12. Sinoatrial Node(SA)
  8. 15. Clot in unbroken blood vessel
  9. 17. Rapid heartbeat