Across
- 1. The trachea splits into two…
- 4. the apex of this holds back the soft palate during inspiration
- 5. This happens when air passes over the vocal cords
- 6. Membranes these cover the outside of the lungs
- 8. the transport of air out of the lungs
- 9. the muscles between the ribs that aid respiration
- 10. Bronchi split into…
- 12. The scientific term for the windpipe
Down
- 2. this type of epithelial cell traps dust
- 3. the transport of air into the lungs
- 7. This forms the entrance to the trachea
- 11. the trachea is held open by rings of this
- 13. The scientific term for air sacs