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WAEC Biology 1988 Question 13

Question 13

Respiration

The thoracic cavity is separated from the abdominal cavity by a sheet of muscle called

  1. A.pleural membrane
  2. B.intercostal muscle
  3. C.diaphragm
  4. D.pericardium
  5. E.epiglottis
Show the answer and explanation

Answer: C (diaphragm)

Explanation

The diaphragm is the dome-shaped sheet of muscle between the chest and the abdomen.