Final answer:
The vertebral column is divided into five regions: cervical, thoracic, lumbar, sacral, and coccygeal.
Step-by-step explanation:
The vertebral column, also known as the spine or backbone, is divided into five regions: cervical, thoracic, lumbar, sacral, and coccygeal. The cervical region consists of seven vertebrae, the thoracic region has twelve vertebrae, the lumbar region contains five vertebrae, the sacral region is composed of five fused sacral vertebrae, and the coccygeal region is made up of four fused coccygeal vertebrae.