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WAEC Biology 2020 Question 18

Question 18

Nervous Coordination

The part of the central nervous system that controls unconscious actions in humans is the

  1. A.cerebellum.
  2. B.cerebrum.
  3. C.spinal cord.
  4. D.optic nerves.
Show the answer and explanation

Answer: A (cerebellum.)

Explanation

The cerebellum controls balance, posture and the smooth coordination of muscles without our thinking about it. The cerebrum controls conscious, voluntary actions.