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Which is NOT an element of the efferent division of the peripheral nervous system?A. Parasympathetic Neurons B. Sympathetic Neurons C. Somatic Motor Neurons D. Sensory Neurons

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Answer:

D. Sensory Neurons

Explanation:

Peripheral nervous systemconsists of all the neurons and ganglia within the body, outside the central nervous system. It is divided into:

  • Somatic nervous system- it controls the movements of skeletal muscles which means that this nervous system is under the voluntary control
  • Autonomic nervous system- its role is to control involuntary movements of smooth muscles and glands

Somatic system consists of two types of nerves:

  • sensory or afferent nerves-carry the information from the stimulus detector (receptor) to the central nervous system (CNS)
  • motor nerves (efferent nerves)-carry the information from CNS to the effectors (skeletal muscles).

Autonomic nervous system consists of:

  • sympathetic nervous system
  • parasympathetic nervous system
  • enteric nervous system

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