Curious Kids is a series for children. If you have a question you’d like an expert to answer, send it to curiouskids@theconversation.edu.au You might also like the podcast Imagine This, a ...

A burp is the sudden escape of gas from the food pipe to the top of your throat. It can be loud or silent. The food pipe is a cylinder which sits on top of the stomach, and is known scientifically as ...