Across
- 4. hairlike extensions in the trachea
- 7. gas that leaves your body through the respiratory system
- 8. breathing in
- 9. voice box
- 10. gas that enters your body through the respiratory system
- 14. these vibrate to allow you to speak
Down
- 1. windpipe
- 2. dome shaped muscle used to breathe
- 3. main organs of the respiratory system
- 5. 2 passages that branch from trachea and go into the lungs
- 6. breathing out
- 11. food provided by digestive system
- 12. tiny thin walled sacs where gas exchange occurs with the capillaries
- 13. throat