WAEC Biology 2013 Objective — Question 15
Question 15 of 60 from the West African Examinations Council (WAEC) Biology 2013 Objective paper, with the correct answer and a full explanation.
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Which of the following statements about the diaphragm of a mammal is not correct?
- A. It separates the thorax and the abdomen
- B. It is a thick layer of muscle
- C. It is made of epithelial cellsCorrect
- D. It is part of the human respiratory apparatus
Explanation
The diaphragm separates the thoracic and abdominal cavity, is part of the respiratory apparatus, and is a thick layer of muscle — not made of epithelial cells, so C is the incorrect statement.
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