Across
- 1. Bones compose the skeleton, which provides ____and support for the body.
- 4. Osteons are arranged in concentric circles called?
- 6. The core,inner layer of the bone is softer than compact bone.
- 9. Age,injury, and medical conditions such as Lyme disease can lead to______, a painful wearing down of joints.
- 10. The outer layer of bone is made of tough connective tissue called ______?
- 11. Cancer that forms in the bones can cause tumors that may weaken and break bones.
- 12. Bands of tissue that connect the ends of a muscle to your bone.
- 14. Disease,a tumor,or trauma can put stress on a bone causing it to break.
- 15. Bands of strong connective tissue hold bones together.
Down
- 2. A bone disease that affects children is the weakening of bones caused by a vitamin D deficiency, unable to fully absorb calcium and other nutrients essential to building bone density and mass.
- 3. Osteoblasts produce _____.
- 5. Smooth and flexible substance covers the tips of your bones where they meet.
- 7. A tough membrane that covers and protects the outside of the bone.
- 8. Bone loss caused by not getting enough calcium can lead to fragile and brittle bones,known as _______.
- 13. Where two or more bones in the body come together.