Across
- 2. 'Voicebox'
- 3. Hollow pockets connected to the nasal cavity
- 7. Scientific word for inhalation
- 9. Tiny air sacs covered in blood vessels
- 10. Muscle that controls pressure in the lungs
Down
- 1. Carbon dioxide mix to produce...
- 4. The coating on the respiratory membrane
- 5. Has three lobes on one side, two on the other
- 6. Type of disorder that involves muscle
- 8. The pressure exerted by gas