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Question 37

Complete the nervous-system classification: The central nervous system consists of___

  1. the brain and spinal cordCorrect answer
  2. all nerves throughout the body
  3. the brain's outer layer only
  4. the spinal nerves but not the spinal cord

Explanation

The brain and spinal cord together form the central nervous system, the main processing and coordinating division. Nerves extending beyond them belong to the peripheral division, so including every nerve would make the classification too broad.

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Question 37: Complete the nervous-system classification: The central… · Human Body Systems · Questena