eli5 explain diarrhea

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What happens to body during diarrhea? Especially the water part? Normaly, the water we drink is absorbed in the body and most part of thrown removing toxic elements via urine. But, during diarrhea body losses lot of water and we become dehydrated and weak. Suppose due to some process let’s say like Osmosis the water travels thru membrane and finally transforms into another substance, blood. So, during dehydration, does this process reverse? Why do we feel weakness? Also, when body knows it’s getting weak why it is still dehydration without absorbing any water? Someone please explain whole process.

In: Biology

25 Answers

Anonymous 0 Comments

The Intestines absorb water and nutrients.

If the poop speeds up, less water is absorbed. If the poop slows down, more water is absorbed.

Intestines speed the poop up if it senses something bad is in it(or you use a stimulant). They slow down for lots of reasons(including drugs).

Fast poop – diarrhea. Slow Poop – constipation. Faster = more watery. Slower = more dry/impaction. Intestines are gonna suck water regardless but if there’s nothing to suck, then no water.

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