Respiratory System

2. organs used for breathing
5. flap of tissue at lower end of pharynx. Used to prevent food or liquid from entering airway
7. a disease in which alvioles enlarge
9. short tubes found at the lower end of the trachea that branch out into smaller tubes
10. the waste gas of chemical respiration
14. a lung disorder. Symptoms are: shortness of breath, wheezing, and coughing.
15. a tube about 12 cm long. Air moves to here from the larynx

1. clusters of tiny, thin walled sacs found at the end of the bronchioles
3. respiration process that breaks down oxygen for the cell’s use
4. the smallest tubes formed from the bronchi
6. tube-like passageway used by food, liquids, and air
8. muscle beneath your lungs that contract and relax to help move gases in and out of your body
11. inhaling air into the lungs and exhaling waste gases.
12. the gas that we breath
13. the airway where the vocal cords are attached