Cardiovascular Crossword Puzzle

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Across
  1. 2. ..the persistent HR slower than 60bpm
  2. 6. ...is the double-walled sac surrounding
  3. 7. ...bring blood towards the heart
  4. 11. When the valve closes it makes this sound
  5. 12. The contraction of the heart
  6. 13. It brings... to the rest of the body
  7. 17. ...Receives deoxygenated blood
  8. 18. The relaxation of the heart
Down
  1. 1. ...the persistent HR greater than 100bpm
  2. 3. There are ... chambers
  3. 4. ...The events that occur from the beginning of one heartbeat to the beginning of the next
  4. 5. The heart is a...
  5. 8. The heart wall consists of ...layers
  6. 9. The heart is around the size of a...
  7. 10. ...bring blood away from the heart
  8. 14. The disease of the heart in the presentation
  9. 15. The heart contains ...valves
  10. 16. ...Take waste from the cells