Cells
Across
- 1. recycle worn out products
- 3. membrane the outer structure
- 4. make proteins for the cell
- 6. a bunch of organ systems
- 8. a bunch of organs working together
- 9. membrane allows certain materials to pass in and out
- 12. pack and carry proteins
Down
- 2. produces energy for the cell
- 5. a bunch of cells work together
- 7. a place for cel reactions
- 8. a bunch of tissues working together
- 10. the cell's environment
- 11. uses the DNA to regulate cell activities