Respiratory system
Across
- 3. when the trachea swells
- 5. what you breathe in when you inhale
- 7. used to clear airways of mucus and dirt
- 9. spazzing of this creates hiccups
Down
- 1. connects pharynx to stomach
- 2. what you breathe out when you exhale
- 4. the "voice box"
- 6. prevents food from entering the respiratory system
- 8. transports air to and from the lungs
- 10. tiny air sacs in the lungs