Across
- 1. The throat; part of both respiratory an digestive system
- 4. a large dome shape muscle that plays an important role in breathing
- 6. Tiny hair-like extensions of cells that can move together like whips
- 9. the windpipe; a passage though which air moves in the respiratory system
- 11. the process in which oxygen and glucose undergo a complex series of chemical reactions inside cells
- 13. monoxide a colorless odorless gas produced when substances including tobacco are burned
- 14. a dark sticky substance produced when tobacco burns
- 15. folds of connective tissue that stretch across the opening of the larynx and produce a persons voice
Down
- 2. a physical dependence on a substance; an intense need by the body for a substance
- 3. the passages that branch from the trachea and direct air to the lungs
- 5. the main organs of the respiratory system
- 7. an irritation of the breathing passages in which the small passages become narrower than normal and may be clogged with mucus
- 8. the voice box; located in the top part of the trachea, underneath the epiglottis
- 10. a drug in tobacco that speeds up the activities of the nervous system, heart, and other organs
- 12. Tiny sacs of lung tissue specialized for the movement of gases between the air and blood