Across the planet, humans eat on average between 1 and 2.7 kilograms of food a day, and every last scrap makes its way through the digestive system. Comprised of ten organs covering nine meters, this is one of the most complicated systems in the body. Emma Bryce explains how the different parts of the digestive system work to transform your food into the nutrients and energy that keep you alive.

Don’t miss this excellent TED-Ed about how your digestive system works. Combine this with free play on Tinybop’s smart app for kids: The Human Body, as well as DK’s brilliantly illustrated Human Body! book.

Next: How the food you eat affects your gut and You Are Your Microbes.

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