| A | B |
|---|
| hemopoiesis | formation of blood cells |
| osteocyte | mature bone cell |
| organic | living material bone cells and protein |
| inorganic | non-living material minerals and water |
| ossification | hardening of the cartilage skeleton with minerals |
| diaphysis | shaft of the long bone |
| medullary canal | hollow area of the shaft of the long bone |
| endosteum | lining inside the medullary canal |
| epiphysis | end of a long bone |
| spongy bone | hard bone that has been dissolved |
| periosteum | tough outer membrane of the bone |
| articular cartilage | found at the ends of long bones acts as shock absorber |
| osteoblast | bone building cell |
| osteoclast | bone digesting cell |
