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]. Why is my poop brown? – Ethan J., age 9, Potomac ...

Much of the food you eat is absorbed by your digestive system, which includes your stomach and your intestines.

Lula, 5, asks: if I plant an apple seed, how long before I have apples? 1:C - It takes about eight years or even longer for an apple seed to grow into a tree that can make apples. , 2:B - Poo’s brown ...