Across
- 3. Tubes connecting the windpipe to each lung
- 4. Connects mouth and nose to voice box
- 5. The remaining air that we can't breathe out
- 6. Highest/lowest amount of breathing that can be done
- 7. The windpipe
- 8. Extra oxygen that can be exhaled out if wanted
- 10. Tiny sacs of air covered in blood vessels
- 11. Smaller branches of the bronchi
- 12. Space behind the nose
- 13. Mouth
Down
- 1. Voice box
- 2. Extra oxygen that can be inhaled in if wanted
- 9. The amount of air normally breathed