註釋
It’s stinky. It’s smelly. It’s gooey and disgusting. Yes – if you can stomach the sick side of science, then take an icky look inside your stomach! Well, into your icky squishy innards, that is, where we’ll be dishing the dirt on your digestive system and all the other bits that are much too rude to mention here. So hold your breath and get ready to discover: