The vertebral column (spine or backbone) is a curved structure composed of bony vertebrae that are interconnected by cartilaginous intervertebral discs. It is part of the axial skeleton and extends from the base of the skull to the tip of the coccyx. The spinal cord runs through its center. The vertebral column is divided into five regions and consists of 33 vertebrae interlaced by strong joints and ligaments. Although the spine can be a pain in the back,(no pun intended) its function is very im