Nerves allow electrical impulses to propagate along their elongated cell extensions and facilitate the transfer of information throughout the body. Neural tissue is found within the [[Nervous_and_Special_Senses_-_Anatomy_%26_Physiology#Central_Nervous_System_.28CNS.29|central nervous system (CNS)]] and the [[PNS_Structure_-_Anatomy_%26_Physiology|peripheral nervous system (PNS)]] and the composition and constituent parts of neurones and their surrounding cells differ. | Nerves allow electrical impulses to propagate along their elongated cell extensions and facilitate the transfer of information throughout the body. Neural tissue is found within the [[Nervous_and_Special_Senses_-_Anatomy_%26_Physiology#Central_Nervous_System_.28CNS.29|central nervous system (CNS)]] and the [[PNS_Structure_-_Anatomy_%26_Physiology|peripheral nervous system (PNS)]] and the composition and constituent parts of neurones and their surrounding cells differ. |