SKELETAL SYSTEM

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Across
  1. 2. Biggest bone in body, upper leg
  2. 3. The backbone, connects to ribs
  3. 5. Inside bone of lower arm
  4. 8. Front bone in lower leg
  5. 9. Protects the brain
  6. 11. Back bone in lower leg
Down
  1. 1. In the chest, connected to ribs
  2. 4. On top of shoulders
  3. 6. Hip bone
  4. 7. Protect majority of organs
  5. 10. Outside bone of lower arm