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