Across
- 4. signs or conditions of body functions
- 6. air filled cavities
- 9. double layer senous membrane around lungs
- 11. exchange O and CD takes place in lungs
- 15. flap covers larynx
- 17. organ respitury system
- 19. medical term for throat
- 20. small hair like follicles inside nose
- 21. subdivisions of organs
- 23. breathing air out of lungs
- 24. watery secretion of senous membrane
- 27. major muscle involved in breathing
Down
- 1. splits into left and right bronchi in lungs
- 2. middle section recieves food and drink
- 3. O and CD exchange cellular level
- 5. breathing air into lungs
- 7. tiny air sacs end each bronchiols
- 8. formed by senous membrane sac surrounds lungs
- 10. narrow air tubes in lungs
- 12. muscle between ribs
- 13. cartilage wall divides nose left and right halves
- 14. windpipe
- 16. central region chest cavity
- 18. sticky fluid secreted muccus membrane lines respitory tract
- 22. tube connects ear with nasopharynx
- 25. voice box
- 26. roof of mouth