Across
- 1. - total quantity
- 4. - colloidal solution
- 6. - reproduction in normal cells
- 9. -a quantity
- 10. - a simple tissue
- 12. -shortest distance
- 14. - an organalle
- 15. - principle
- 16. -exchange of materials
- 18. - positive ions
- 19. -a scientist
- 20. - law
Down
- 2. -a muscle
- 3. -an energy
- 5. -of chemicals
- 7. - chemical symbols
- 8. a pure substance
- 11. - unit of,energy
- 13. of temp
- 17. - connective tissue