Across
- 3. exhaling out of the lungs
- 6. smallest divisions of the bronchial tree
- 7. a passage way for food and liquid into the digestive system
- 8. the windpipe
- 9. notch in the lung where bronchi and vessels enter
- 12. branching of the bronchus after entering the respective lung
- 13. voice box
- 16. pockets in the facial bones
- 17. a ridge at the lower of the the trachea, separating the openings of the two bronchi
Down
- 1. clusters of air sacs at the end of the bronchial tree
- 2. main branches leading from the trachea to the lungs
- 3. leaf structure that opens and closes over the glottis during swallowing
- 4. separates the mouths from the nasal cavity
- 5. breathing air into the lungs
- 7. the lining encasing the lungs
- 10. division of lungs
- 11. where blood and air meet
- 14. interval between the two vocal cords
- 15. chief muscle of respiration