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Portable Network Graphic  |  1996-08-29  |  61KB  |  465x385  |  8-bit (169 colors)
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OCR: LINING OF THE X INDPIPE OUR WINDPIPE . lined with two types of cell that help prevent any isnp that has not been rem oved by your nose or throat from reaching your lungs Goblet cells produce sticky mucus that lines the windpipe and traps dust. Hair-like ciliated cells move the dust t-laden mucus to the top of your windpipe, W here IS swallowed or coughed up Cilia move mucus by constant, upward -beating movem ents Ciliated cell Goblet cell