set 9

12345678910111213141516171819202122
Across
  1. 2. drug that decreases the antigen antibody response
  2. 7. vessels
  3. 8. to expand
  4. 10. a tube you put down
  5. 11. infection that usually doesn't affect you unless already sick
  6. 15. to turn or roll
  7. 16. wall
  8. 17. heart
  9. 18. ventricle (one of the two bottom chambers of the heart)
  10. 21. growth;development
  11. 22. arteries
Down
  1. 1. to get smaller in diameter
  2. 3. lung
  3. 4. plaque buildup
  4. 5. involuntary contraction
  5. 6. lung
  6. 8. the heart between beats, at rest
  7. 9. 2 tubes that go from traceha (windpipe) to each lung
  8. 12. fatal (deadly)
  9. 13. the process of clotting
  10. 14. picture or printout of a test result
  11. 15. vessels
  12. 19. contraction
  13. 20. record/recording