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WAEC Biology 2023 Question 16

Question 16

Respiration

The diagram below is an illustration of some structures used for gaseous exchange in humans. The part labeled III would be found in the

Diagram for this question
  1. A.heart.
  2. B.lung.
  3. C.kidney.
  4. D.sternum.
Show the answer and explanation

Answer: B (lung.)

Explanation

III is a bronchiole, a fine air tube inside the lung that leads to the alveoli.