NERVOUS SYSTEM 1 GNS Central Nervous System Brain →Spinal cord (sc) PAS Peripheral Nervous System 12 pair nerves from Brain pair nervous fibers and panglion's Peripheral ganglions outside sc Spinal cord 1. Apperent neuron from sensory organ to CNS 2. Efferent neuron - from CNS to effective organ 3. Interneuron transmit signal Symphatic System ANS →Fight or Flight "response Heart Rate 1 HR-Acceleration of et Heart beat Blood pressur BP →Mydriasis (dilation of pupil) →Bronchodilation (relaxation) →Inhibition of salivation Inhibition of digestion gallbladder Stimulation of glucosecretion from Lived →Stimulation of Adrenal medulla Da soconstriction →Rela Xation urinary bladder (Constriction of its sphincter) →Stimulation of Ejaculation Vaginal contraction Ngurons of ANS Parasymphatic system