How many named nerves are there?

There are 43 pairs of named nerves in the human body, which include 12 pairs of cranial nerves and 31 pairs of spinal nerves. These nerves are responsible for transmitting sensory and motor signals between the brain, spinal cord, and various body parts. The cranial nerves primarily serve the head and neck, while the spinal nerves innervate the rest of the body.