Across
- 3. Scratchy sound produced by pleural surfaces rubbing against each other
- 4. Nosebleed
- 6. Gas exchange between blood and body cells
- 8. Mass of lymphatic tissue in the nasopharynx
- 10. Mucous secretion from the lungs, bronchi, and trachea expelled through the mouth/spitting
- 12. A common passageway for food from the mouth and air from the nose
- 14. Inflammation of the pleura
- 18. A flap of tissue that seals off the windpipe and prevents food from entering
- 19. Voice box
- 20. Small respiratory passages that connect the trachea to the lungs
- 21. Breathing in
- 22. Hyperinflation of air sacs with destruction of alveolar walls
- 24. Windpipe; air passage extending from the larynx into the thorax
- 25. Whooping cough; highly contagious bacterial infection of the pharynx, larynx, and trachea
- 26. Crackles; wet crackling noise heard when there is fluid in the alveoli
- 27. A viral infection of infants and children with obstruction of the larynx, accompanied by barking cough and stridor
- 29. Gas exchange between lungs and blood
Down
- 1. Inflammation and infection of alveoli, which fill with pus
- 2. Part of the pharynx directly behind the nasal passages
- 3. Air-filled cavities lined with mucous membrane
- 5. The supply of air to the lungs
- 7. Surgical puncture to remove fluid from the pleural space
- 9. Tube connecting the mouth to the stomach
- 11. Airways in the lungs that lead from the bronchi to the alveoli; smallest "branches"
- 13. Nostrils
- 15. Large, flat muscle at the bottom of the chest cavity that helps with breathing
- 16. Subdivisions of the lung, with two on the left and three on the right
- 17. Breathing out
- 23. Throat
- 28. Results in collapse of a lung