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Ch 8 test
1. Cigarette smoke contains chemicals which could damage the cilia on the surface of the respiratory tract. Which of the following consequences may be resulted?
A. The air exhaled by the smoker will be warmer.
B. The air exhaled by the smoker will contain less oxygen.
C. The air exhaled by the smoker will contain less carbon dioxide.
D. The smoker will suffer from respiratory infections more easily.
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