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The small intestine absorbs most of the water in the contents of the gut.

By the time the contents reach the end of the small intestine, ...

... most of the digested food has also been absorbed. [1]




The remaining materials

- water

- bacteria (living and dead)

- cells from the lining of the gut

- indigestible substances (such as cellulose from plant cell walls)

The colon is the first part of the large intestine.

It absorbs most of the remaining water.

This leaves semi-solid waste material called faeces.

The faeces are stored in the rectum, the last part of the large intestine.

Egestion happens when these faeces pass out of the body through the anus. [2]

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