How the body gets rid of dust which enters the lungs, Biology

Using the words 'cilia' and 'mucus', describe, very briefly, how the body gets rid of dust which enters the lungs.

The lining of the air passages makes mucus which traps dust particles. Cilia in the lining flick to and fro to carry the mucus up and out of the passages.

 

Posted Date: 5/28/2013 2:45:17 AM | Location : United States







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