Skeletal System
Across
- 2. The process of hard bone replacing cartilage in our skeletal system.
- 5. This gives the human body shape and support.
- 8. Protects lungs.
- 10. Inner part of bone that makes the skeleton lighter and contains bone marrow.
- 11. The hardest material in the human body.
- 12. A white, rubbery substance in our skeletal system.
Down
- 1. The outer part of a bone consists of a hard material called.
- 3. There are 206 of these in the adult skeleton.
- 4. Manufactures blood cells and stores fat for the body.
- 6. Joint that functions like a lever (like your elbow).
- 7. Connects bones to bones at the joint.
- 9. Protects brain.