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What is poo? Nutrition, digestion and excretion - KS3 Biology - BBC Bitesize
Faeces is the waste that remains after food has been digested. Find out more with BBC Bitesize. For students between the ages of 11 and 14.
↗ https://www.bbc.co.uk/bitesize/topics/zf339j6/articles/zfcsv9q