Across
- 4. One product of fermentation; the reason we use yeast in bread making.
- 7. A type fo respiration that does not require oxygen
- 11. Our bones are used for movement, support and ...?
- 12. Antagonistic muscles work in ...?
- 13. A chemical reaction that releases energy
- 14. The type of muscle that helps us to move our body
Down
- 1. A bodily fluid that oxygen is carried in
- 2. The antagonistic muscle of the triceps.
- 3. A type of respiration that requires oxygen
- 5. The variable that we change
- 6. The organ that pumps blood.
- 8. The product of anaerobic respiration in humans; toxic.
- 9. The variable that we measure
- 10. The variables that we keep the same