Match the following terms to their definitions.A. Norepinephrine (NE)B. Acetylcholine (ACh)Secreted by preganglionic sympathetic fibers.Secreted by preganglionic parasympathetic fibers.Secreted by postganglionic sympathetic fibers to sweat glands.Secreted by postganglionic parasympathetic fibers.Secreted by most postganglionic sympathetic fibers.
  • adrenal medulla
  • 1)B2)B3)B4)B5)A
  • emergency action
  • reflex of skeletal muscle
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