Science112412

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Across
  1. 3. Skin, hair, nails, etc.
  2. 5. Control center of the cell
  3. 6. Cells that do not have a nucleus.
  4. 10. Made of a single cell.
  5. 11. Brings oxygen into the body and takes out carbon dioxide.
Down
  1. 1. System that regulates hormones.
  2. 2. Organism that make their own food.
  3. 4. Made up more than one cell.
  4. 7. Individual living thing.
  5. 8. basic unit of life.
  6. 9. Organisms that obtain their nutrients or food from consuming other organisms.
  7. 12. Cells that have a nucleus.