What is the Difference Between Spinal Cord and Backbone?

The spinal cord and backbone are two distinct structures that serve different functions within the human body. The main differences between them are:

1. Composition: The spinal cord is made up of lengthy nerves, while the backbone is composed of vertebrates. The spinal cord is a tube-like structure consisting of bundles of nerve fibers, covered by the meninges and surrounded by cerebrospinal fluid. The backbone, also known as the spinal column, is the central axis of the skeleton in all vertebrates and is made up of about 33 bones called vertebrae in a newborn human.
2. Function: The spinal cord serves as a pathway for communication between the brain and the body, transmitting nerve impulses to and from the brain. The backbone, on the other hand, provides structural support, supports the body's weight, and protects the spinal cord.
3. Location: The spinal cord is located within the backbone, and the backbone protects the spinal cord and supports the body.
4. Size: The human backbone is, on average, larger than the spinal cord.

In summary, the spinal cord is a part of the central nervous system and plays a crucial role in communication between the brain and the body, while the backbone is a part of the skeletal system that provides structural support and protection for the spinal cord.

Comparative Table: Spinal Cord vs Backbone

Here is a table comparing the differences between the spinal cord and the backbone:

In summary, the spinal cord is a tube-like structure composed of nerve fibers and plays a crucial role in communication between the brain and the body. In contrast, the backbone, or spinal column, is composed of vertebrae and serves to provide structural support, support the body's weight, and protect the spinal cord.