Question

Which bone/bones does not belong to the axial skeleton?

• A. Skull
• B. Hip bone
• C. Ribs
• D. Spinal cord

Answer 1

The correct option is B

Hip bone

The axial skeleton is the part of the skeleton that consists of the bones of the head and trunk of a vertebrate. In the human skeleton, it consists of 80 bones and is composed of six parts; the skull bones, the ossicles of the middle ear, the hyoid bone, the rib cage, sternum and the vertebral column.

The appendicular skeleton is the portion of the skeleton of vertebrates consisting of the bones or cartilage that support the appendages. The appendicular skeleton consists of the girdles and the skeleton of the limbs. The upper (anterior) limbs are attached to the pectoral (shoulder) girdle and the lower (posterior) limbs are attached to the pelvic (hip) girdle.