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How does your body make poop?

  • Written by Brian Robert Boulay, Associate Professor of Medicine, University of Illinois Chicago
imageYour small intestine is lined with tiny protrusions called villi that play a big role in digestion.Sebastian Kaulitzki/Science Photo Library via Getty Images

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to CuriousKidsUS@theconversation.com.

How does your body make poop? Owen,...

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