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Across 2. depression 4. outside covering of bone 8. hip socket 13. spinal cord curves to the side 14. cartilage cell 15. makes red blood cells 17. towards the head 18. bone cell 19. shaft 20. drain into your nose

Down 1. stick out the back of the spine 3. slightly movable joints 5. immovable joints 6. hole where the spinal cord comes through 7. sticks out of a bone 9. movable joints 10. don't drain anywhere 11. epiphysis end of bone 12. reduce friction and impact 16. 6 soft spots of a body 17. helps with balance and walking