The spinal cord is about 18 inches long, which is roughly the same length as a ruler. It is also as thick as a finger.
The spinal cord is approximately 18 inches long and about as thick as a finger.
The spinal cord is about 18 inches long and as thick as a finger. It is a vital part of your body's nervous system, acting as a bridge to transmit messages between the brain and the rest of your body.
