7th Grade Respiratory System

2. tube leading from the larynx to the bronchi
9. sacs surrounded by capillaries in the lungs used for gas exchange
10. condition where bronchial tubes are irritated and swell
11. tissue flap at the bottom of the pharynx that covers the larynx during respiration
12. waste product produces from cellular respiration, expelled during exhalation
13. smaller tubes branching from the trachea and enter into each lung
15. a disease in which the alveoli in the lungs enlarge and can't push air out of the lungs
17. holds the vocal cords

1. the breakdown of sugar to release energy in the cells of the body
3. action of gases leaving the body via the respiratory system
4. and uncontrolled growth of abnormal cells in the lungs
5. bringing gases into the body
6. smallest air passage in the lungs
7. substances that cause cancer
8. flat muscle under the lungs that contracts and flattens to enable inhalation
9. condition when the bronchial tubes contract quickly as a result of an overreaction to a foreign substance
14. chemical used to release energy from sugars
16. tube in the back of the throat used by the digestive and respiratory systems