Across
- 2. voice box
- 5. Vocal cords that close the larynx during swallowing
- 9. membrane attached to the surface of each lung
- 13. Process of exhaling
- 15. Another sinus
- 17. Outer membrane of the lungs
- 19. Air-filled spaces
- 21. adenoids
- 23. Vocal cords responsible for sound
- 24. Two tubes that lead from the trachea
- 25. The ones most people call tonsils
Down
- 1. One of the sinuses
- 3. The air sacs
- 4. Hair of the nose
- 6. Smaller branches of the bronchi
- 7. Smaller of the two lungs, composed of two sections
- 8. Bone in the back of the nose that subdivides the passageway
- 10. Substance secreted by cells of the lungs to reduce surface tension
- 11. Tonsils at the base of the tongue
- 12. Fluid found in the pleural cavity
- 14. hole between the true vocal cords
- 15. Flap that keeps food from going into the trachea
- 16. Volume of air moved into or out of the lungs during quite breathing
- 18. Process of inhaling
- 20. Cartilage that makes up the rings of the trachea
- 22. windpipe