Skeletal System

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Across
  1. 2. Used to make energy.
  2. 4. Bones hold this mineral.
  3. 5. Thin outer layer.
  4. 8. Protects spinal cord.
  5. 9. Pull on bones to move.
Down
  1. 1. Make up the skeletal system.
  2. 3. Protects the brain.
  3. 4. Makes red blood cells.
  4. 6. Internal skeleton.
  5. 7. Protects the lungs and heart