Across
- 3. Oxygen's "taxi"
- 6. process of changing gases between the atmosphere and body cells
- 7. hemoglobin has _ binding sites
- 9. exchange of gases between the atmosphere and body cells
Down
- 1. true or false: its hard for oxygen to at first bind to hemoglobin
- 2. exchange of gases between blood and body cells
- 4. percentage of Oxygen in the air
- 5. this is just as important as Oxygen is in the body
- 8. blood entering the lungs is Oxygen-____
- 10. blood leaving the lungs is Oxygen-____