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The anatomy of digestion

The food we eat, tasty though it may be, is of little direct use to the body. The only foods that are useful to us are the soluble molecules that pass from our digestive system into our blood. This article explains how digestion occurs and what happens when things go wrong.

Dianne Gull

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Macromolecule

Enzyme

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Previous

Getting to grips with ecology

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Nature’s recycling squad

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