Skeletal system

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Across
  1. 2. The largest and strongest joints in your body.
  2. 5. The curved bones that form a cage to protect your heart and lungs.
  3. 6. The upper part of your leg above the knee.
  4. 8. The joint that connects your foot to your leg.
  5. 11. The bone that acts like a helmet to protect your brain.
Down
  1. 1. The joint in the middle of your arm.
  2. 3. The backbone made of 33 individual bones that helps you bend and twist.
  3. 4. The front part of your leg located below the knee.
  4. 7. The joint that connects your leg to your torso.
  5. 9. The part of your body that connects your head to your shoulders.
  6. 10. The joint between your hand and your arm.