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WAEC Biology 2012 Question 13

Question 13

Respiration

The diagrams are parts of a human lung. Which of the labelled parts is diagram Z taken from?

Diagram for this question
  1. A.II
  2. B.III
  3. C.IV
  4. D.V
Show the answer and explanation

Answer: C (IV)

Explanation

Z is a cluster of alveoli at the end of a bronchiole, which is found inside the lung tissue labelled IV.