Across
- 2. Under the lungs
- 4. What conducts air to your lungs?
- 5. Helps you breathe
- 6. What protects your lungs?
Down
- 1. What divides off from bronchi/bronchus
- 3. Tiny air sacs of the lungs which helps CO2 exchange
- 7. What chemical do you want OUT of your body?