| A | B |
|---|
| endoskeleton | a skeleton that is inside your body |
| vertebrae | the small bones in your backbone |
| flat bones | support body organs, like ribs, breastbone, and shoulder |
| long bones | support weight and used for movement, likethree bones in your fingers and your arms and legs |
| short bones | support weight and small movement, in your feet |
| irrregular bones | vertebra and ear bones are examples |
| cartilage | strong, flexible tissue that gives shape, like the ear and nose |
| joint | where two or more parts meet |
| ligaments | connect bones in the joints |
| tendons | connect muscles to bones |
| ball-and-socket joint | allows movement in all directions, like your shoulder |
| hinge joint | allows bones to move backward an forward like your elbow |
| pivotal joint | allows the bones to move side to side and up and down, like your neck |
| gliding joint | allows your bones to move in all directions by sliding along each other, like your wrist |
