Across
- 3. lung
- 5. pluera
- 6. nose
- 8. sinus,cavity
- 9. coal
- 11. straight
- 13. pharynx
- 14. CO2
- 15. Alveolus
- 16. breathing
- 18. incomplete
- 19. bronchiole
- 20. lung,air
- 22. larynx
- 25. dialated,expansion
- 26. voice
- 27. breathing
Down
- 1. dust
- 2. nose
- 3. lung,air
- 4. bronchus
- 7. diaphragm
- 10. ox/i,ox/o
- 12. trachea
- 17. epiglottus
- 19. branchus
- 21. lobe
- 23. spitting
- 24. smell
- 25. chest