Across
- 3. contains genes
- 4. extra layer of protection in plant cells
- 6. does not have a nucleus
- 7. has a nucleus
- 9. controls the nerves in the body
- 12. contains the largest organ in the body
Down
- 1. eats organisms to get their food
- 2. inhales oxygen and releases carbon dioxide
- 5. brain of the cell
- 8. makes their own food
- 10. regulates hormones
- 11. produces heat in the body
