Nervous System organization Copyright e The McGraw-Hill Companies. inc Permission requred for reproduction or display Stimulus Response(output) (input) Skeletal Cardiac muscle, muscle smooth muscle and glands PNS Sensory division Somatic Autonomic Sensor ry conducts action nervous nervous receptors, potentials system system nerves, from the Motor division ganglia, periphery conducts action potentials and plexuses to the periphery CNS Brain and Processing and integrating information, spInal cord initiates responses, mental activityNervous System Organization