Labels:daily OCR: RECTUM OUR RECTUM is a short, muscular tube that forms the last section of your large intestine. It measures about 20 cm inches in length. and stores semi -solid waste passed down through the digestive system The waste made un ot undigested pooj mucus. dead cells, and bacteria. As the waste or feces, collects at the end of the intestine, creates pressure on the wall the rectum Nerves in the rectal wall send signals to your central nervous system which then triggers contractions in the rectum This creates the urge to expel the feces undig podj aste