Across
- 4. - The membrane lining and enclosing the lungs
- 6. - The flap that covers the trachea during swallowing to prevent food/drink from entering
- 8. - The opening to the nasal cavity/airway
- 10. - The tiny air sacs in the lungs where gas exchange occurs
- 12. - Another term for the alveoli, the tiny sac-like structures in the lungs where gas exchange occurs.
- 13. - The sticky, lubricating substance produced by membrane linings that traps particles and pathogens in the airways.
- 14. - The major airways branching off the trachea that lead to the lungs
Down
- 1. - The throat area connecting nasal/oral cavities to the trachea
- 2. - The muscle below the lungs that contracts to allow inhalation
- 3. - The hanging tissue at the back of the soft palate
- 5. - The tiny hair-like projections that move mucus/debris out of the airways
- 7. - The windpipe connecting the larynx to the bronchi
- 9. - Air-filled cavities in the skull bones surrounding the nasal cavity that help insulate the skull, resonate sound, and produce mucus.
- 11. - The voice box containing the vocal cords