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Across 2. The large muscle that you sit on: gluteus ________ (7) 6. Type of muscle found in organs such as the intestines and is involuntary (6) 8. The jaw bone 9. The outer, hard, layer of bone (7) 13. Type of muscle which makes up the majority in the body, used for voluntary movement (8) 15. Collective name of middle finger bones. Starts with P. (9) 16. The scientific name for the collarbone (8) 19. Connect muscles to bones (7) 21. Your kneebone (7) 22. The _ _ _ _ protect organs such as the lungs (4)

Down 1. We are b _ _ _ with 300 bones in our bodies, and some of these fuse together as we grow (4) 3. The purpose of the skeleton is for support, protection and _ _ _ _ _ _ _ _ (8) 4. Another name for 'skull' (7) 5. similar structures in animals are said to be ___________ (10) 7. The innermost layer of bone where blood cells are produced (6) 10. In order to pull, muscles ___________ (8) 11. Connect two bones/cartilage (9) 12. Largest bone in the human body (5) 13. The middle, honeycomb-like layer of bone (6) 14. Smallest bone in the body (6) 17. Type of muscle found only in the heart (7) 18. These allow muscles and bones to connect and move 20. Bone found alongside the radius in the arm (4)