Unless your gallbladder has caused you any problems, you may not even know it is there. What is it? Where is it? What does the gallbladder do?

Know everything there is to know about your gut? Test your gut feeling and knowledge on digestion, belly fat, tummy troubles, and more.

What's 'normal' and what's not when it comes to constipation and how often you go to the toilet? Test your knowledge in this BootsWebMD quiz.

Your colon is a key part of your digestive system. But do you really know what it does, where it is, and how to check its health? Take this BootsWebMD quiz to see if your knowledge is on track.

Why do farts smell? What’s the best way to get rid of the odour? Get the answers to these and other pressing questions about farting in this quiz.

Tummy troubles can cause discomfort. Test your knowledge of digestive problems and tummy troubles in the BootsWebMD quiz.

What do you know about piles or haemorrhoids, their causes, treatments and how to prevent them? Take this BootsWebMD quiz to find out.

It has 500 jobs and is as big as a rugby ball. Take this BootsWebMD quiz to see how much you know about one of your body's most important organs.

Dark poo, lots of wind, constipation. Take this BootsWebMD quiz to test your toilet knowledge.

BootsWebMD answers questions about gluten-free living and gluten-free foods.