Which is a part of the axial skeleton?
a. the arms
b. the skull
c. the legs
d. the hips

Answer- B: The skull

Explanation-

The axial skeleton is composed of the bones of:

The upper axial skeleton contains 30 bones in the arm, the forearm, and the hand. The pelvic girdle attaches the lower limbs to the axial skeleton. So, the arms is not the correct answer, because it is only part of the upper axial skeleton and not the "regular" axial skeleton.