Across
- 4. A slimy substance produced by mucous membranes
- 5. Flap above the larynx
- 9. Breathing out
- 12. are small air sacs
- 13. Throat
Down
- 1. Breathing in
- 2. Nostril holes
- 3. Anatomical division or extension of an organ
- 6. Expelling air past our vocal folds
- 7. Passageway/tunnel
- 8. Adam's apple
- 10. Wind Pipes
- 11. Dome-shaped muscle