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How to model digestion using tights - Nutrition, digestion and excretion - BBC Bitesize
Find out how to make a model of the digestion system using household items.
↗ https://www.bbc.co.uk/bitesize/articles/zrm48mnFind out how to make a model of the digestion system using household items.
↗ https://www.bbc.co.uk/bitesize/articles/zrm48mn