A vertebra is a bone in the human spine. The spine is made up of 33 vertebrae, and the spine is made up of vertebrae. Total - 26. Plus it grows from birth until death. It is important. After all, the vertebrae together give the spine growth. Now you understand why the vertebra is important. I also have it between my shoulder blades (lower back). Found in the nose, jaw, etc. There are 27 in total. The vertebra plays an important role in the functioning of the human skeleton and is a key element in the structure of the spine.