| A | B |
|---|
| the six functions of skeletal system | support, protection, movement, makes blood cells, stores inorganic salts, fat storage for energy |
| 4 types of bone cells | osteoprogenitor (OSTEOGENIC), osteoblast, osteocyte, osteoclast |
| the membrane covering surrounding bone | periosteum |
| the "chamber" into which a bone cell sits | lacuna |
| channels which connect bone cells; cells can communicate via the channels | canaliculi |
| the process where bone is being made | ossification |
| this type of bone formation occurs in the cranium and mandible | intramembranous |
| this bone formation occurs in most areas of the skeleton | endochondral |
| lattice like arrangment of bone in spongy bone | trabeculae |
| shaft of a bone | diaphysis |
| ends of a bone | epiphysis |
| cavity on the inside of a long bone | medullary |
| marrow found at the ends of bone | red |
| marrow found in the shaft of a bone | yellow |
| number of bones in the body | 206 |
