Body systems

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Across
  1. 4. helps you breath
  2. 5. attaches a bone to a muscle
  3. 9. helps the body move
Down
  1. 1. it has nails and hair in its system
  2. 2. it includes the brain and neurons in its system
  3. 3. the main control of the body
  4. 6. information messengers
  5. 7. attaches a bone to a bone
  6. 8. the largest organ in the body
  7. 10. biggest organ in the outer body