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Across 2. Protects heart and lungs 4. Bones of the spine 5. Allows bones to move 7. Soft bones in the elderly 9. Lubricates joints (2 Words) 12. Bones of the body 13. Made in bone marrow (2 Words) 16. Joint found in the skull 19. Holds bones together 20. Correct name for skull 21. Replaces bone marrow as you get older

Down 1. Covers the ends of bones 3. Hip and shoulder are examples of this (3 Words) 6. Where two bones meet 8. Process of making bone 10. Flat, irregular, short and _____ are types of bones 11. A function of the skeleton 14. Type of joint found in the elbow 15. Correct name for the kneecap 17. Bones are made of this 18. Bone found in the top of the arm