why are our intestines so long?

why are our intestines so long?
I guess to give our body satisfactory time to absorb the nutrients.
To increase the surface nouns and time taken for the food to retain in the intestine for impulse to occurs.
The lane of nutrients into the blood stream requires a lot of surface nouns. Not only are the intestines long, but they are convoluted on the inside to further increase the surface nouns.
It takes a long time to break down the food you ate. The more time it spends contained by there, the better broken down it is.
For surface nouns, so that we are getting more out of what we eat. Not merely is it long and coiled but it has little villi (little fingers inside the intesting) and Microvilli (fingers on the fingers).

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