Skeletal System

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Across
  1. 3. Small Part of the Spine
  2. 5. Slugs don't have this
  3. 12. protects our lungs and heart
  4. 14. Animal With Backbone
  5. 15. Larger Leg Bone
  6. 16. in our body
  7. 19. Made Via Red Bone Marrow
Down
  1. 1. hurts when you bump it
  2. 2. Connects the Arm to the Shoulder
  3. 4. Technically A Bone
  4. 6. Animal Without Backbone
  5. 7. The Bone located near the Thigh
  6. 8. Small Leg Bone
  7. 9. The Jawbone
  8. 10. Is Located in a... Certain Place
  9. 11. Used to Protect Broken Bone
  10. 13. The System that this entire crossword puzzle is about
  11. 17. In-between our Eyes and Mouth
  12. 18. brain protecter
  13. 20. A Skeletal Koopa Troopa