The alimentary canal, also known as the digestive tract, is a long tube-like structure that runs from the mouth to the anus. It is responsible for breaking down food and absorbing nutrients. The part of the alimentary canal referred to in this crossword is the INTESTINE, which is composed of two parts: the ileum and the large INTESTINE. The ileum is the last part of the small INTESTINE and is about 3 meters long. The large INTESTINE is about 1.5 meters long and is responsible for absorbing water and electrolytes from the digested food.