Question

Which of the following is part of the axial skeleton?

arm

pectoral girdle

pelvic girdle

skull

Answer 1

The axial skeleton includes the skull, vertebral column, sternum, and rib cage. Out of the options, only the skull is a part of it.

Step-by-step explanation:

The axial skeleton, one of the major parts of the human skeletal system, includes the skull, the vertebral column, the rib cage, and the sternum. Out of the options you've provided, the skull is a part of the axial skeleton. The arm is part of the appendicular skeleton, while the pectoral and pelvic girdle serve as connection points between the axial and appendicular skeletons and thus are not considered part of the axial skeleton.

Learn more about Axial Skeleton

Answer 2

The bone that is part of the axial skeleton is the skull. The axial skeleton refers to the part of the skeleton that consists of the bones of the head and the trunk of a vertebrate. In the human body, there are 80 bones found in the axial skeleton composed of six parts: the skull bones, the ossicles of the middle ear, the hyoid bone, the rib cage, sternum, and the vertebral column.