Across
- 2. tube in the back of the throat used by the digestive and respiratory systems
- 4. tissue flap at the bottom of the pharynx that covers the larynx during respiration
- 8. bringing gases into the body
- 9. the breakdown of sugar to release energy in the cells of the body
- 10. a disease in which the alveoli in the lungs enlarge and can't push air out of the lungs
- 12. smaller tubes branching from the trachea and enter into each lung
- 14. holds the vocal cords
- 15. flat muscle under the lungs that contracts and flattens to enable inhalation
- 17. smallest air passage in the lungs
Down
- 1. waste product produces from cellular respiration, expelled during exhalation
- 3. substances that cause cancer
- 5. and uncontrolled growth of abnormal cells in the lungs
- 6. tube leading from the larynx to the bronchi
- 7. condition when the bronchial tubes contract quickly as a result of an overreaction to a foreign substance
- 10. action of gases leaving the body via the respiratory system
- 11. condition where bronchial tubes are irritated and swell
- 13. chemical used to release energy from sugars
- 16. sacs surrounded by capillaries in the lungs used for gas exchange