Return to PCS 1 Internet Links Return to Class Notes Panel Figures Index The Human Nervous System Overview Click on graphic to visit a useful website on the Nervous System. The Nervous System = Central Nervous System + Peripheral Nervous System (NS = CNS + PNS) Central NS = Brain + Spinal Cord Peripheral NS = Sensory NS + Autonomic NS + Somatic NS (PNS = SenNS + ANS + SomNS) Sensory NS (SenNS) = sensory neurons from Receptors Somatic NS (SomNS) = motor neurons to Skeletal Muscle Autonomic NS (ANS) = Sympathetic ANS + Parsympathetic ANS (ANS = SANS + PANS) The ANS innervates Smooth and Cardiac Muscle  and Glands (exocrine and endocrine).   Return to the Top