Across
- 2. the main air way (known as windpipe)
- 3. Mucous lined and round, hollow air spaces
- 4. Air begins its journey here, two dark and open holes that filter box
- 7. cession of breathing, 10 seconds or longer
- 10. membrane surrounding lungs
- 13. Cords Two white stretchy bands that open and close for sounds
- 14. Cavity Warms and moistens each breath taken
- 16. Three per nasal side, shelves within the nose
- 17. ribbed hard backing to roof of mouth
- 19. prevents food from entering the passage
- 20. smaller air passages connected to Bronchi
Down
- 1. two main tubes that branch from the trachea to the lungs
- 5. Bone and cartilage that splits nose in half
- 6. Flesh roof in back blocks nose when swallowing
- 8. Air Sacs in the lungs where gas exchange occurs
- 9. main muscle involved in breathing
- 11. main organs of system
- 12. Clumpy tissue patch which catches germs before the lungs can
- 15. portion of the larynx, affects voice modulation
- 18. the voice box