An ===Key Stage 4=====Meaning===The '''spinal cord''' is an [[organ]] in the [[Nervous System]] that is made of a bundle of [[Nerve|nerves]] running inside the [[backbone]]. ===About the Spinal Cord===: The '''spinal cord''' is part of the [[Central Nervous System|central nervous system]].: The '''spinal cord''' is the location of [[Relay Neuron|relay neurons]] in the [[Reflex Arc|reflex arc]].