how many vertebrae are in the human body?
There are 33 vertebrae in the human body. These vertebrae are separated into different classes containing:

- 7 cervical vertebrae (in the neck region).
- 12 thoracic vertebrae (in the middle back region).
- 5 lumbar vertebrae (in the lower back region).
- 5 sacral vertebrae (in the sacrum).
- 4 coccyx vertebrae (in the tailbone).

Each of these 33 vertebrae makes up the entirety of the human spine.