==== The somatosensory system ==== The somatosensory system consists of all the [[neuron|neurons]] that link to the rest of the [[body]]. From the brain different neurons stretches through the spinal cord, all over the body to sense touch, heat and other changes in the environment. The neurons also sense the changes I do myself, and reports whether the move I did was successful or not. The somatosensory system is essential to enjoy both [[libido|sex]] and [[pain|pain]].