Across
- 5. Site of gaseous exchange
- 7. respiration without oxygen
- 10. Process of taking air into lungs
- 11. prevents food from entering the windpipe
- 13. process by which gaseous exchange occurs
- 14. fungus used to make dough rise
Down
- 1. poisonous gas which binds with haemoglobin irriversible
- 2. respiratory condition where alveoli burst
- 3. product of anaerobic respiration in humans
- 4. site of aerobic respiration in the cells
- 6. muscle separating thoracic and abdominal cavity
- 8. produced during alchol fermentation in plant/fungal cells
- 9. Cancer causing chemical
- 12. Taken into the lungs