Across
- 4. protein function
- 7. powerhouse of the cell
- 10. puberty
- 12. link in the brain
- 13. chemical reaction speed boost
- 15. protein creator
Down
- 1. enzyme operation
- 2. receivor
- 3. nerve impulse output
- 5. concentration levels
- 6. biological balance
- 8. nerves
- 9. input of a nerve
- 11. burning energy
- 14. Neurons movement