Nerve

The human nervous system is an intricate network of "biological cables" known as nerves, which act as the body's primary communication superhighway. From the rhythmic beat of your heart to the sharp sensation of a bee sting, every experience and movement is mediated by these fiber-like structures that transmit electrical and chemical signals between the brain and the rest of the body. The Architecture of Sensation

: These nerves travel beyond the brain and spinal cord to reach every corner of the body, functioning in three main capacities: The human nervous system is an intricate network

: 31 pairs that branch out from the spinal cord to reach the limbs and torso, forming complex networks called plexuses. forming complex networks called plexuses.