Not-So-Simple Cilia

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Some of us may remember in high school science class viewing a busy, single-celled Paramecium as it moves through a watery medium. They move using numerous short appendages called cilia. These tiny structures are also found in huge numbers (109/cm2 or more) on the surface of the cells that line our airways. Cilia efficiently sweep mucus containing trapped material such as bacteria and dust out of our lungs. Th… More…

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