Science

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Across
  1. 3. body system for immune stuff
  2. 7. body system for countless cells
  3. 10. body system for nerves
  4. 11. same meaning as little
  5. 13. body system for skin
  6. 14. body system for skeletal stuff
Down
  1. 1. body system for food
  2. 2. body system for small organs
  3. 4. body system for kidney
  4. 5. subject
  5. 6. body system for heart
  6. 8. body system for organs
  7. 9. building block
  8. 12. building blocks