Energy for a Living Body
Body & HealthAges 6–8

Energy for a Living Body

Why does your body need different foods, and why only tiny amounts of vitamins? Find out how digestion makes useful substances available, why water matters everywhere inside you, and why your body keeps using energy even while you sleep.

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Energy for a Living Body
Body & HealthAges 6–8

Energy for a Living Body

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Why does your body need different foods, and why only tiny amounts of vitamins? Find out how digestion makes useful substances available, why water matters everywhere inside you, and why your body keeps using energy even while you sleep.