The Respiratory System
Across
- 4. pharyngitis
- 6. the separating wall between right and left nasal cavities in the nasal septum
- 8. the voice box, made mostly of cartilage
- 9. the one quart of air you keep in your lungs
- 10. the cold is a _____
- 11. another word for 'nostrils'
- 12. tiny hair-like projections on mucosa that propel mucus upward
- 13. breathing air out
- 14. cells that make mucus
- 16. made of 78% nitrogen and 21% oxygen
Down
- 1. the medical term for the throat
- 2. found at the back of the throat, these are lumps of tissue that fight infection for you
- 3. blowing too hard can force mucus up the Eustachian tube and cause a ______________
- 5. breathing air in
- 7. when tonsils swell to fight off disease
- 15. the sinus is connected to the nose through a tiny hole called the ______