Across
- 1. Tiny hairs that trap dust and dirt particles
- 3. Another word for your vocal cords
- 5. The windpipe branches off into this
- 8. Contains all the organs you use to breath
- 10. Small branches that carry oxygen to the lungs
- 11. Another part of the respiratory system that helps clean the air we breath.
Down
- 1. This is the waste gas that we breathe out
- 2. A major illness caused by long term smoking.
- 4. The large flat muscle that sits under the lungs and tightens and contracts when we breath.
- 6. An infection of the lungs and alveoli, resulting from mucus or pus becoming trapped in the lungs.
- 7. Your lungs has 500 million of these.
- 9. Another name for your windpipe