set 9

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Across
  1. 2. lung
  2. 4. to expand
  3. 5. arteries
  4. 7. drug that subtract antigen/body response
  5. 8. involuntary contraction
  6. 9. record
  7. 12. to get smaller in diameter
  8. 15. 2 tubes that go from (windpipe) to each lung
  9. 16. heart between beats, at rest
  10. 17. ventricle
  11. 19. wall
  12. 20. heart
  13. 22. contraction
  14. 23. plaque buildup
Down
  1. 1. antigen/antibody response decrease
  2. 3. the process of clotting
  3. 6. lung
  4. 10. roll or turn
  5. 11. vessels
  6. 13. no infection unless sick
  7. 14. fatal(deadly)
  8. 17. vessels
  9. 18. growth, development
  10. 20. a tube you put down
  11. 21. picture