the skeletal system

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Across
  1. 3. also known as the collarbone
  2. 5. bone in the kneecap
  3. 6. joint that only moves 2 ways
  4. 7. protects major organs
Down
  1. 1. protects the spinal cord
  2. 2. bones in the fingers
  3. 3. protects the brain
  4. 4. longest bone in the body