Across
- 2. The gas that is breathed out (two words)
- 4. An infection of the lungs
- 8. A disease that causes the lungs to be weak and floppy, which happens to smokers
- 9. The muscle below the lungs that allows them to fill with air
- 10. A disease that causes the airways of the lung to constrict
Down
- 1. The organ that transports oxygen breathed in to the blood
- 3. The small grape-shaped parts of the lungs were oxygen crosses from the lung to the blood
- 5. The gas that is breathed in
- 6. ____ fibrosis, a genetic disorder affecting the lungs
- 7. The technical word for the windpipe