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Your small intestine is about 6 metres long — longer than a car!

Your small intestine is about 6 metres long — longer than a car!

It's coiled up neatly inside your belly. Its job is to soak up the goodness from your food, and its walls are folded and fuzzy to give a huge surface area for absorbing nutrients.

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Your heart beats about 100,000 times every day. Your heart beats about 100,000 times every day. You are a little taller in the morning than at night. You are a little taller in the morning than at night. You can’t tickle yourself. You can’t tickle yourself. Your bones are alive, and they grow with you as you get bigger. Your bones are alive, and they grow with you as you get bigger. Babies are born with about 300 bones, but grown-ups have only 206. Babies are born with about 300 bones, but grown-ups have only 206.