molecules and organisms

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Across
  1. 1. systems help this function
  2. 3. a system that helps you digest
  3. 5. the system that helps you breathe
  4. 8. an organism with multiple cells
  5. 9. a system made of bones to protect organs
  6. 10. the basic unit of life
Down
  1. 2. a living thing
  2. 4. internal and external parts designed for survival
  3. 6. an organism with one cell
  4. 7. an instruction for cells that makes all living things