Across
- 3. volume of air that the lungs can expel after normal
- 5. gas exchange process in the body
- 7. junction between the digestive tract and respiratory tract
- 9. the process of releasing air from the lungs
- 12. filtering by hairs and mucous membranes
- 14. the base of the throat
Down
- 1. or lining of the lungs
- 2. dioxide from exhalation
- 4. ribs raised and chest cavity enlarged flat diaphragm
- 6. trunk of the windpipe
- 8. the place of air exchange in the lungs
- 10. the mirror becomes condensed
- 11. branching off from the bronchi
- 13. branching off the trachea