The nervous system is divided into central and peripheral. The central nervous system consists of the cerebrospinal axis. Peripheral includes nerves which connect the central nervous system with all other organs. It also distinguishes the so-called vegetative nervous system consisting of the sympathetic and tenth cranial nerves which go to the same internals and regulate in them the processes which aren’t depending on a consciousness of the person. The action of the sympathetic and tenth cranial nerves are opposite. At the normal level of excitability of both parts of vegetative nervous system internals function correctly. …