Respiratory System

5. episodes of breathing difficulty due to narrowed or obstructed airways
9. smallest branches of the bronchi
11. voice box; contains vocal cords air moves from pharynx through here to to trachea;
12. A flap of tissue that seals off the windpipe (larynx) and prevents food from entering.
13. filters and warms air
14. respiratory virus that caused pandemic
16. Function of the respiratory system

1. Air moves through here into the larynx
2. Large, flat muscle at the bottom of the chest cavity that helps with breathing
3. Gas that travels from the lungs to the blood and the rest of the body
4. tiny air sacs in the lungs that allow gas exchange
6. windpipe; tube through which air moves into the lungs
7. the alveoli in the lungs are fill w/fluid
8. two short branches located at the lower end of the trachea that carry air into the lungs.
10. gas produced by body cells as waste; exhaled out of the body through the lungs
15. Main organs of the respiratory system