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The central nervous system is made up mainly of the:

The central nervous system is made up mainly of the:
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  • A Receptors and effectors
  • B Brain and spinal cord
  • C Neurons and muscles
  • D Nerves and ganglia
Correct Answer: Option B
Explanation:
The central nervous system consists of the brain and spinal cord. It receives information, processes it, and coordinates responses throughout the body.

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