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WAEC Biology 1997 Question 10

Question 10

Respiration

Which of the following structures is associated with respiration in insects?

  1. A.Air sac
  2. B.Spiracle
  3. C.Lung
  4. D.Alveolus
  5. E.Gill
Show the answer and explanation

Answer: B (Spiracle)

Explanation

Air enters an insect's tracheae through spiracles along its body.