Across
- 7. The part of the skeleton that includes the skull and vertebral column
- 9. This bony structure protects the brain
- 11. Type of joint where the bones slide over each other
- 13. One of the things stored in bones
- 16. Firm connective tissue
- 17. Protects the heart and lungs
- 19. The process through which new bone is formed
- 20. The type of joint found in the knee
- 21. The bone that makes up the upper arm
Down
- 1. The bone that forms the forehead
- 2. The lubricating fluid found in joints
- 3. Provide structure and support
- 4. This system supports the skeletal system
- 5. The part of the skeleton that includes the limbs
- 6. The essential mineral that gives bones their strength
- 8. The total number of ribs in an adult human body
- 10. The type of joint formed at the hip
- 12. The series of bones that make up the spine
- 14. The longest bone in the human body
- 15. The tough tissue that connects muscles to bones
- 18. The joint that allows for rotation
- 20. One of the small bones of the ear