Across
- 2. fibrous membrane covering surfaces of bones
- 5. protein fibres of great tensile strength
- 6. a cavity or depression in bone
- 8. gelatinous tissue that fills the cavities of bones
- 9. a bone cell
Down
- 1. making up the skeleton in vertebrates
- 3. A type of cell that creates bones in humans
- 4. an accumulation of calcium salts
- 7. a break in a bone caused by stress