Across
- 4. on the side
- 6. it is in air
- 7. microscopic projections that look like hair
- 10. what are you studying
- 12. the major machine you learn
- 13. organ of respiration
- 14. it is next your food pipe
- 16. left side of lung
- 17. it should be 2cm below
- 18. above
- 19. air moving in and out
- 20. you have five of them
Down
- 1. bottom layer
- 2. carries oxygenated blood
- 3. can be seen in CHF
- 5. behind
- 8. slimy substance
- 9. air moving in and out
- 11. what is the system you are studyning
- 13. voice box
- 15. it beats
- 19. it carries oxygen