Which statement is true about the appendicular skeleton of the human body?

it consists of two groups, the bones along the main axis and the bones that connect the limbs to the axial skeleton.
it consists of the vertebral column and all the bones that directly connect to it.
it consists of the bones that form the limbs and the bones that attach the limbs to the axial skeleton.
it consists only of the pelvic girdle and the bones that lie below it.