Skeletal System

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Across
  1. 3. kneecap
  2. 4. Backbone made of vertebrae
  3. 6. upper arm bone
  4. 9. forearm bone on the thumb side
Down
  1. 1. Protects the brain
  2. 2. shin bone
  3. 3. hip bone
  4. 5. thigh bone
  5. 7. Forearm bone on the pinky side
  6. 8. Protects the heart and lungs