Cells

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