Question

1. the adult vertebral column is composed of 33 vertebrae, distributed into 5 regions. 2. there are 7 cervical vertebrae, some of them containing a transverse foramen. 3. there are 12 thoracic vertebrae, most of them with a long spinous process. 4. there are 5 lumbar vertebrae, which have large vertebral bodies.

Explanation:

The adult vertebral column is composed of 33 vertebrae, distributed into 5 regions: cervical (7 vertebrae with transverse foramina), thoracic (12 vertebrae with long spinous processes), lumbar (5 vertebrae with large vertebral bodies), sacral (fused into 1 bone in adults), and coccygeal (fused into 1 bone in adults). These are basic anatomical facts about the vertebral - column.

Answer:

1. The adult vertebral column is composed of 33 vertebrae.
2. There are 7 cervical vertebrae, some of them containing a transverse foramen.
3. There are 12 thoracic vertebrae, most of them with a long spinous process.
4. There are 5 lumbar vertebrae, which have large vertebral bodies.