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human feces
Human feces (or faeces in British English; (ラテン語:fæx)) are the feces (solid waste products) of the human digestive system, including bacteria. They vary significantly in appearance (i.e. size, colour, texture), according to the state of the digestive system, diet and general health. Normally stool is semisolid, with a mucus coating. Small pieces of harder, less moist feces can sometimes be seen impacted on the distal (leading) end. This is a normal occurrence when a prior bowel movement is incomplete, and feces are returned from the rectum to the intestine, where water is absorbed.
Human feces together with human urine are collectively referred to as human waste or human excreta. Containing human feces, and preventing spreading of pathogens from human feces via the fecal-oral route, are the main goals of sanitation.
== Characteristics ==
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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