Respiratory System

4. When we breathe out.
9. the upper portion of the pharynx located behind the nasal cavities
11. respiration the exchange of oxygen and carbon dioxide between the lungs and the bloodstream
13. when we breathe in
14. inflammation of the larynx and vocal cords
16. tiny hair-like structures that filter inhaled air
17. Keeps food from entering the trachea.
19. dioxide the waste product of your cells
20. an inflammation of the nasal mucus membrane
22. a respiratory disorder usually caused by a sensitivity to an allergen such as dust or pollen
23. a nosebleed
24. an acronym used to describe any chronic lung disease that results in obstruction of the airways
25. the middle section of the pharynx located behind the oral cavity
27. grape-like structures at which the bronchioles end
28. __________ membranes line the lungs and thoracic cavity.
30. The throat.

1. inflammation of the bronchi and bronchial tubes
2. cavities in the skull that surround the nasal cavity
3. highly contagious viral infection of the upper respiratory system
5. septum the wall of cartilage which dived the nose into two hollow spaces
6. respiration the exchange of carbon dioxide and oxygen between the tissue cells and the bloodstream
7. the bottom section of the pharynx
8. another name for the openings of the nose
10. an inflammation or infection of the lungs characterized by a buildup of fluid in the alveoli
12. a name for the openings of the nose
15. the divisions of the bronchi and the alveoli are found in organs called _______.
18. The windpipe
21. a noninfectious, chronic respiratory condition that occurs when the walls of the alveoli deteriorate & loose their elasticity
26. The trachea branches off into two ___________.
29. The voice box.