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JAMB Biology 1997 Question 31

Question 31

Nervous Coordination

The part of the brain that regulates most biological cycles in humans is

  1. A.olfactory lobe
  2. B.optic lobe
  3. C.medulla oblongata
  4. D.pineal body.
Show the answer and explanation

Answer: D (pineal body.)

Explanation

The pineal body releases melatonin in response to light and dark, setting the body's biological rhythms such as the sleep cycle.