The vertebrae are special parts of the spine of the human body. In fact, the spine is a series of vertebrates. A complex structure consisting of vertebrate bones and hyaline cartilage that may vary slightly from species to species. It is listed as an irregular bone. There are a total of 33 vertebrae in the human spine. Nerves enter the body from the brain through a leak in the middle of the vertebrae. The larger part of the vertebrae is called the body and the center part is called the centrum.