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Scientist Nina and her young experimenters investigate the human body. Experimenters Arianna and Maria visit Nina and learn about food's amazing journey through the body.

Nina investigates where food goes when you eat it, with the help of Bud, her taste neuron. Experimenters Arianna and Maria visit Nina in her lab and find out all about food's amazing journey through the digestive system.

They visit a giant slide and discover that it's important to eat lots of fibre foods and drink plenty of water, to keep things moving though the intestines. Back in the lab, they push some mashed-up food though a model of the intestine. They see that that some parts of the food squeeze through tiny holes in the intestine into the body.

Nina explains that bodies use these parts of food to make energy and help keep you healthy. Other parts of the food, like fibre, are left over and are pushed out of the body into the toilet as poo. But they have still done an important job in the digestive system, keeping things moving so you don't get a sore tummy.

First shown: 4:45pm 20 Sep 2011
Available for 11 days Why? Duration 15 mins