Across
- 4. extends from the uvula to the epiglottis
- 6. primary organ of respiration
- 7. tubes that direct air into the lungs
- 9. extension of the soft palate
- 10. air sacs
- 13. windpipe
- 15. _____levels of CO2 will lower the pH of the blood.
- 17. contraction of bronchioles leads to reduced air flow
- 18. roof of the nasal cavity
Down
- 1. the sensation of smell
- 2. alveolar pressure is greater than atmospheric pressure
- 3. the trachea divides into right and left primary __
- 5. membrane surrounding the lungs
- 8. breathing
- 11. voice box
- 12. blood that has passed through the lungs
- 14. lung that has 3 lobes
- 16. a sheet of muscle separating the thoracic from the abdominal cavity