Across
- 2. max. volume of air that can be inspired
- 4. amt. of air that never reaches the alveoli
- 8. inflammation of bronchioles from smoke, pollutants or allergens
- 10. site of gas exchange between blood and alveoli
- 14. bacterial infection of nose, nasal cavity, pharynx, larynx, and upper trachea
- 16. oxygen deficiency
- 19. min. amount of air in lungs after max. expiration
- 20. dilates airways during stress or exercise
- 24. ciliated cells that line the trachea
- 26. pressure in alveoli
- 30. puncture through pleural sac which collapses lungs
- 32. produce mucus that moistens air and traps dust & bacteria
- 33. extra air expired beyond tidal volume
- 34. exchange of air between atmosphere and lungs
- 37. pressure within chest cavity
Down
- 1. max. volume of air that lungs can hold
- 3. air entering or leaving lungs in one breath
- 5. primary branches off of trachea
- 6. used to create pressure behind a blockage of windpipe to expel it
- 7. temporary cessation of breathing
- 9. low carbon dioxide levels caused by overbreathing (aka hyperventilation)
- 11. windpipe reinforced with C-shaped cartilage rings
- 12. only external structure of respiratory system
- 13. inflammation of voice box
- 15. shorter distance equals greater rate of diffusion
- 17. thickening of airways
- 18. muscle that regulates breathing
- 21. excess air that can be inspired past tidal volume
- 22. shows wave-like pattern of breatething
- 23. inflammation caused by bacterial infection
- 25. microscopic air sacs where gas exchange occurs
- 27. constricts airways during an allergic reaction
- 28. slit between vocal cords
- 29. shows pressure/volume relationship
- 31. causes destruction of alveoli, generally from smoking
- 35. passageway for food and air
- 36. voice box