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The journey of food through your digestive system.
The digestive journey: how does your stomach break down your food?
The lifesaving work of our kidneys.
The digestive journey: what happens to food in the small intestine?
The digestive journey: what happens to food in the large intestine?
Beef tapeworms can grow up to 12 metres inside our bodies: what do they do to us?
Meet the biologist who volunteered to grow a tapeworm in his intestines.
How air, gas and bacteria make us burp and fart.
The weird and wonderful world of digestive organs.
Some fun facts about a human's 32 teeth.
Find out about the liver and its ability to regenerate.