respiratory
Across
- 1. brochus;brochial tube
- 4. diagram
- 7. blood
- 9. larynx;voice box
- 12. cancer
- 13. lung
- 14. epiglottis
- 16. nose
- 17. vessel
- 18. lobe
- 19. tissue
Down
- 2. heart
- 3. cast;throw
- 5. incomplete;imperfect
- 6. oxygen
- 8. blue
- 10. artery
- 11. to enlarge;expand
- 15. fiber