What are cilia? How are they useful for the respiratory tract?
Asked by Topperlearning User | 29th Apr, 2016, 10:19: AM
Expert Answer:
Cilia are hair-like projections on the outer surfaces of the epithelial cells. In the respiratory tract, the cilia of ciliated epithelium move and push the mucus forward to clear it.
Answered by | 29th Apr, 2016, 12:19: PM
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