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Home Q & A Board Biology-Related Homework Help General Biology
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rolab97 rolab97
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6 years ago
Cilia lining the respiratory tubes beat mucus upward in order to:
  a. moisten the bronchioles.
  b. conduct the mucus that contains particles to the pharynx and away from the lungs.
  c. provide mucus to the lungs to prevent them from dehydrating.
  d. lubricate the throat for easier swallowing.
  e. promote gas exchange by providing mucus for the respiratory surfaces.

Question 2

During swallowing, __________ closes off the __________ so food cannot enter the lower airway.
  a. the pleural membrane; trachea
  b. cartilage; larynx
  c. the pharynx; esophagus
  d. the Adam's apple; trachea
  e. the epiglottis; larynx
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yjiang5yjiang5
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6 years ago
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rolab97 Author
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#2
6 years ago
Easily the best answers, TY and have a wonderful day
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