This story is part of a series exploring human anatomy and physiology complexities. Each story in this collection showcases discoveries reshaping our understanding of the body's inner workings, ...

Much of the food you eat is absorbed by your digestive system. But some makes it all the way through those twists and turns and comes out the other end.

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 [email protected]. How does your body make poop? Owen, 4, Wakefield ...