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WAEC Biology 2010 Question 14

Question 14

Respiration

The following characteristics are associated with the mammalian lungs except

  1. A.large surface area.
  2. B.expandable lungs.
  3. C.moist surface.
  4. D.highly vascularized.
Show the answer and explanation

Answer: B (expandable lungs.)

Explanation

The features of a good respiratory surface are large area, moist and thin surface, and a rich blood supply; 'expandable lungs' is not one of these surface features.