Axial vs. appendicular skeleton:

a) Axial skeleton includes limbs, while appendicular skeleton includes the skull and vertebral column
b) Axial skeleton provides support and protection, while appendicular skeleton is involved in movement
c) Axial skeleton is composed of bones along the central axis of the body, while appendicular skeleton is composed of bones of the limbs
d) Axial skeleton consists of flat bones, while appendicular skeleton consists of long bones