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WAEC Biology 2016 Question 13

Question 13

Respiration

The cells and tissues of the nose, throat, chest diaphragm and lungs form the

  1. A.circulatory system.
  2. B.respiratory system.
  3. C.transport system.
  4. D.digestive system.
Show the answer and explanation

Answer: B (respiratory system.)

Explanation

The nose, throat (pharynx and trachea), diaphragm and lungs work together to take air in and out of the body: the respiratory system.