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