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WAEC Biology 2020 Question 14

Question 14

Respiration

The respiratory organ of a cockroach is the

  1. A.air sac.
  2. B.trachea.
  3. C.lung book.
  4. D.lung.
Show the answer and explanation

Answer: B (trachea.)

Explanation

Insects such as the cockroach breathe through a system of air tubes, the tracheae, which open at spiracles.