| A | B |
| appendicular skeletom | bones that form the appendages to the axial skeleton |
| axial skeleton | that make up the hed, neck, and torso |
| cranium | bones of the skull that make up the brain case |
| fontanel | unossified area in the infant's skull "softs spots" |
| pelvic girdle | group of bones that form a stable base for the trunk and connects the legs to the trunk |
| shoulder girdle | portion of skeleton where the upper extremity joins the trunk |
| sinus | air-filled cavity found inside some cranial bone |
| suture | an immovable joint |
| thorax | chest |
| vertebra | one of the bones that make up the spinal column |