Which statement characterizes mucus in the mammalian respiratory system?
A) The mucus escalator interferes with gas exchange.
B) It improves perfusion.
C) It clogs the respiratory tract when smoking over-stimulates ciliary action.
D) It is swept by downward beating cilia to the stomach for digesting.
E) It captures inhaled dirt and microorganisms.
Correct Answer:
Verified
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Q191: Refer to the figure. Q192: Which of the following does not characterize![]()
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