Across
- 5. bone Hard, dense outer layer of bone
- 7. Internal skeleton made of bone and cartilage
- 11. External skeleton made of chitin or calcium carbonate
- 14. Tissues that connect bone to bone
- 15. Bone structure that protects the brain
Down
- 1. Large upper leg bone
- 2. system Body system that supports and protects the body
- 3. Bone structure different between males and females
- 4. marrow Soft tissue inside bones that produces blood cells
- 6. Bones of limbs and girdles used for movement
- 8. bone Porous, less dense bone tissue
- 9. Lower leg bone often called the shin bone
- 10. Places where two bones meet and allow movement
- 12. Bones along the body’s center that protect organs
- 13. Tissues that connect muscle to bone