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WAEC Biology 2011 Question 14

Question 14

Respiration

Inhaled air is made warm and moist in the

  1. A.epiglottis
  2. B.nasal cavity.
  3. C.trachea.
  4. D.mouth.
Show the answer and explanation

Answer: B (nasal cavity.)

Explanation

The nasal cavity has a moist lining and a rich blood supply that warm and moisten air on its way in.