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JAMB Biology 2011 Question 22

Question 22

Respiration

The path followed by air as it passes through the lungs in mammals is

  1. A.trachea → bronchioles → bronchi → alveoli
  2. B.bronchioles → alveoli → bronchi → trachea
  3. C.trachea → bronchi → bronchioles → alveoli
  4. D.bronchi → trachea → alveoli → bronchioles.
Show the answer and explanation

Answer: C (trachea → bronchi → bronchioles → alveoli)

Explanation

Air goes down the trachea, which splits into two bronchi, then into many small bronchioles that end in the alveoli.