Across
- 2. controls a cell
- 4. transports materials within a cell
- 6. the protective layer
- 8. we use this to explain a picture
- 9. are inside of organs
- 14. when something has a physical change to suit its environment
- 16. are a type of cell
- 17. builds protein for a cell
- 19. breaks down waste in a cell
Down
- 1. you build them up from working out
- 3. makes your DNA
- 5. 70% of its covered in water
- 6. you use this to examine a micro object
- 7. this is one of your body parts
- 10. are a type of cell
- 11. digests toxic stuff
- 12. these are a type of germ
- 13. our heart pumps this
- 15. we do this to populate
- 18. we can not live without this