Across
- 5. people who play sports
- 7. test for water
- 10. how we get oxygen
- 11. test for carbon dioxide
- 12. respiration which produces ethanol
- 15. the purpose of respiration
Down
- 1. needs to be "repaid" after sports activity
- 2. product of respiration
- 3. used to make bread/beer
- 4. causes bread to rise
- 6. where glucose comes from
- 8. comes after playing sport
- 9. a process which take place in all living organisms
- 13. respiration requiring oxygen
- 14. keeps the body warm-a product of respiration
