The Respiratory System

4. the windpipe; a passage through which air moves in the respiratory system.
5. drug in tobacco that increases the activities of the nervous system, heart, and other organs.
8. the process in which oxygen and glucose undergo a complex series of chemical reactions inside cells; also called cellular respiration
12. cords Folds of connective tissue that stretch across the opening of the larynx and produce a person's voice.
14. a dark, sticky substance that forms when tobacco burns
15. cords:Folds of connective tissue that stretch across the opening of the larynx and produce a person's voice.
17. the throat; part of both the respiratory and digestive systems.

1. is a chronic (long-lasting) inflammatory disease of the airways.
2. the passages that direct air into the lungs.
3. an irritation of the breathing passages in which the small passages become narrower than normal and may be clogged with mucus.
6. A large muscle located at the bottom of a mammal's rib cage that functions in breathing
7. Usually referred to as the flu or grippe.
9. a serious disease that destroys lung tissue and causes breathing difficulties.
10. tiny sacs of lung tissue specialized for the movement of gases between air and blood
11. tiny hair like extensions that move together in a sweeping motion
13. Monoxide:A colorless, odorless gas produced when substances-including tobacco-are burned
16. Cancer is a cancer that originates in the tissues of the lungs or the cells lining the airways