Some parts of faces are be soluble, but some will not be, as the bowel removes water from the faeces, and some soluble things will be removed with this water. Fats and fibre are examples of non soluble parts of faeces.
"quite simply, poop", said a previous answerer. Accurate enough. It is another spelling of "feces", or what children call "poop". The waste product evacuated from your bowels.It is poopFaeces has...