Large+intestine

The Large Intestine takes in water.

Constipation- It occurs when peristalsis moves the feces too slowy through the colon (part of large intestine), this causes the feces to be too compact

Diarrhea- It occurs when peristalsis moves the feces too quickly through the colon, in this way not enough water is taking in and the feces is not compact enough - this can be caused by bacterial or viral infections

E. coli is important in the colon because it produces important vitamins, like biotin The colon absorbs the vitamins so they can travel to the bloodstream.