| Term | Definition |
| calcium and phosphorus | minerals that make up bones |
| periosteum | tough membrane on OUTSIDE OF BONE |
| compact bone | hard but LIGHT, dense bone with SMALL CANALS |
| haversian canals | passages in compact bone for BLOOD VESSELS and NERVES |
| spongy bone | strong, but VERY POROUS and SPONGE-LIKE |
| bone marrow | found in the center of LONG BONES |
| vertebrae | 26 disc-like bones which make up BACKBONE |
| femur | thighbone, LONGEST BONE IN BODY |
| humerus | upper arm bone |
| clavicle | collarbone |
| sternum | breast bone |
| cartilage | soft, flexible protective connective tissue |
| tendons | attach muscle to bone |
| ligaments | attach bone to bone |
| joints | places where bones meet |
| hinge | joint- bends in one direction [knee] |
| ball and socket | joint- rotates [shoulder]; |
| pivot | joint- allows twisting [forearm] |
| gliding | joint- allows limited twisting [vertebra] |