The waving of cilia (VIDEO)
Caption
Cilia wave on the outside of cells from the human bronchia. Like bristles on a brush, the cilia sweep viruses and dust out of our airways. The movie was made using light microscopy. (Movie: Paul Scherrer Institute / Akira Noga and Takashi Ishikawa)
Credit
Paul Scherrer Institute / Akira Noga and Takashi Ishikawa
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