500×
Things You Cannot Do with Churros
![Things You Cannot Do with Churros](/image/jp/science-edu/micro/content/img-churros.jpg)
![200μm](/image/jp/science-edu/micro/content/img-churros-x500-mm.png)
100×
If you reduce the magnification, you can see that a number of bars shaped like churros are lined up.
![1mm](/image/jp/science-edu/micro/content/img-churros-x100-mm.png)
40×
If you zoom out further, you can see a lot of pointy sticks growing behind the churro-shaped bars.
![2mm](/image/jp/science-edu/micro/content/img-churros-x40-mm.png)
Answer: Toothbrush
What looked like a tasty churro was actually a toothbrush. Multiple fibers are planted in bundles of dozens each, and the friction they generate removes plaque and other dirt from your mouth. These days, toothbrushes come in a variety of shapes and sizes, so take a look at your toothbrush to see what it's like!