Across
- 4. Air that you breathe in, makes life possible
- 6. The process of breathing
- 7. Tiny air sacs at the end of the bronchioles
- 8. Pushing air out
- 9. Individual pressure from each gas in a mixture
- 10. Taking air in
Down
- 1. Moves gases from outside of the body into the lungs then into the blood
- 2. The drop in CO2 that occurs in the blood when hyperventilating
- 3. The gas exchange between the blood and the tissues
- 5. Produced from breathing