Describe the sensory and motor pathways involved in the knee-jerk stretch reflex. Compare and contrast the efferent neur

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Describe the sensory and motor pathways involved in theknee-jerk stretch reflex.Compare and contrast the efferent neurons of thesympathetic and parasympathetic branches of the autonomic nervoussystem, in terms of the location of their outflow from the CNS,their morphology, and the neurotransmitters they release ontoeffector tissues.