dimensions of a human backbone ?

Question

the exact dimensions as to how the assembly of the 23 bones is and what are their dimensions. how many muscles and nerves cover these bones

Answer 1

the dimensions differs from person to person. The spinal nerves are arranged in pairs, 1. cervical spinal nerves 8 pairs. 2. thoracic spinal nerves 12 pairs. 3. lumbar spinal nerves 5 pairs. 4. sacral spinal nerves 5 pairs. 5. coccygeal nerve 1 pair.

Answer 2

http://en.wikipedia.org/wiki/Vertebral_column