Final answer:
There are seven cervical vertebrae in the neck region of the human vertebral column. These support the head and protect the spinal cord, contributing to the flexibility and strength of the spine.
Step-by-step explanation:
The vertebral column is divided into several regions, and in the region of the neck, there are seven cervical vertebrae. These are designated as C1 through C7. The cervical vertebrae are part of the 24 vertebrae that constitute the adult human spine, in addition to the sacrum and coccyx; the sacrum is formed from the fusion of five sacral vertebrae, and the coccyx usually from four coccygeal vertebrae. The vertebral column is vital as it protects the spinal cord, supports the head, and provides attachment points for ribs and muscles.