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OpenStudy (anonymous):
Please help Cells lining the trachea have whip-like motile extensions on their free surfaces. What are these extensions, what is their source, and what is their function?
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OpenStudy (nurali):
These extensions are cilia and they continually propel debris-laden mucus toward the pharynx. Their source is the micro tubules that exert pressure on the plasma membrane
OpenStudy (anonymous):
Thank you very much!
OpenStudy (nurali):
Anytime.
OpenStudy (nurali):
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