A stool is stored in the sigmoid colon until a "mass movement" empties it into the rectum once or twice a day. It normally takes about 36 hours for stool to get through the colon. The stool itself is mostly food debris and bacteria.Aug 22, 2016 read more
Usually about 4-5 pounds of poop are in the human body at one time. Try weighing yourself before you poop and after. read more