The human spinal column is made up of 33 bones - 7 vertebrae in the cervical region, 12 in the thoracic region, 5 in the lumbar region, 5 in the sacral region and 4 in the coccygeal region.
http://www.disabled-world.com/artman/publish/spine_picture.shtml
More articles concerning SCI's and the spine.
http://www.disabled-world.com/artman/publish/sci.shtml
