they make up Axial part of the body. the axial region of the body is made up of 80 bones. its consists of six parts which include the bones of skull, the hyoid bone, ossicles of middle ear, the rib cage, the sternum and vertebral column. the skull bones house brain, rib cage and sternum protect vital organs such as heart, lungs and diaphragm. vertebral column acts a attachment site of various parts of the body such abdominal parts.