and shit out grains of shit.

In fact, there is water in the stool. Under normal circumstances, most of the water is absorbed by the colon. Generally, under normal circumstances, the water in the stool is generally absorbed in the colon, forming a relatively dry stool discharged to the outside of the body. Stool generally stays in the body for too long. For example, the patient's intestinal motility is relatively slow or he eats less coarse fiber food and drinks less water, resulting in dry stool and constipation.