In vertebrates, the nervous system consists of the central nervous system (CNS), which includes the brain and spinal cord, and the peripheral nervous system (PNS), which consists of nerves that connect the CNS to every other part of the body.
Daɣ imudaran win iɣasan ,sistem wan alxidmat n eɣaf ehay sistem an ammas (CNS) eha akilkil d arori tolas sistem wan ajjama (PNS) ahan izirwan wi assirtaynen CNS id achrut n taɣissa fuk