オナラとは何ですか？なぜ臭いのですか？私たちの体の科学。

Have you ever wondered what is happening  in your body when you fart or burp? What gas make a fart? Where does the gas come from? Does everyone fart or is it just me? In this class we will look at the human body, specifically the digestive style to learn what causes farts. We will talk about what foods to avoid if you want to fart less. We will learn why some farts are loud and some are quiet. We will discover why some farts don’t seem to smell that bad and some fart smell horrible. We will also talk about how often the average person farts. Come join us as we learn all about farts!