The appendicular skeleton includes the bones of the limbs and girdles that attach them to the axial skeleton. It is essential for movement and interaction with the environment.
Axial Skeleton: Includes bones of the skull, vertebral column, and rib cage; supports central axis of body
Pectoral Girdle: Consists of clavicles and scapulae; connects arms to torso
Pelvic Girdle: Made up of hip bones; supports attachment of lower limbs