The small bones that protect the nerve cord are the vertebrae.
No
Your bones protect your internal organs from injury.
Humans have many bones that don't protect internal organs like your finger bones (which are called phalanges and metacarpals)
to protect it
The type of nerve cells are called neuroglia.
Breasts are external and therefore no bones protect them. The lungs are protected by the sternum and rib cage
The spinal cord is made up of bundles of nerve fibers. It runs down from the brain through a canal in the center of the bones of the spine. These bones protect the spinal cord. Like the brain, the spinal cord is covered by the meninges and cushioned by cerebrospinal fluid.
Vertebraes disc spin
yesYes
sufficient calcium
blech