Across
- 5. Chemical that binds carbon dioxide to hemoglobin
- 6. A non-respiratory air movement that clears the lower respiratory system
Down
- 1. Molecules move from an area of high concentration to an area of low concentration
- 2. Chemical that binds oxygen to hemoglobin
- 3. Involuntary, rhythmic, respiratory air movement
- 4. A non-respiratory air movement that clears the upper respiratory system