Unless we are ill, we usually don't feel our digestive system. It's easy to forget how much work it does.

Over your lifetime, your gut will process about 60 tons of food. It gives you the energy your body needs to keep running, and the materials it needs to grow and stay healthy.

And that's not all: for example, the gut is very important for the immune system.
Click through the following pages to learn more about our digestive system and see what the different digestive organs do.