THE RESPIRATORY SYSTEM
Across
- 1. takes place at the respiratory membrane
- 4. where diffusion of gases occurs
- 6. number of iron ions in hemoglobin
- 8. notch, indentation on the left lung that
- 11. respiration that involves exchange of
- 12. in cells
- 14. movement of air into and out of lungs
- 15. can be bound to a hemoglobin
- 16. respiration that involve exchange of gases between blood and body cells
- 17. between lungs and blood
Down
- 2. product form with oxygen combines with Fe
- 3. protein molecule in blood that binds
- 5. cells which produce surfactant
- 6. maximum number of oxygen molecules
- 7. the heart
- 9. hemoglobin
- 10. respiration that involves oxygen
- 13. inflammation of the pleural membranes
- 15. airway; windpipe