Which of the following is not true of the pleura?
A. The parietal pleura covers the inner surface of the thoracic wall and the superior surface of the diaphragm.
B. The visceral pleura covers the outer surface of each lung.
C. Surfactant in the pleural cavity prevents the parietal and visceral pleurae from sticking together.
D. The pleural cavity contains serous fluid, which is a lubricant for the movements associated with breathing.
E. All of these are true of the pleura.
Answer: C
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