True: Diarrhea can occur because the excrement passes very quickly through the small intestine., Cell debris shed from the mucous membrane of the intestinal tract, bile pigments (bilirubin) and dead leukocytes (white blood cells) passes in the waste material., The brown colour of feces is due to the action of bacteria on bilirubin, False: Constipation is the result of bad breath., Normally, feces are made up of 10 percent water and 90 percent solid matter.,

info excretory system

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