These are the differences between intracellular and extracellular digestion:     Intracellular digestion      Extracellular digestion      The process of digestion of food takes place inside the cells    The process of digestion of food takes place outside the cells in the alimentary canal.     Only a few enzymes are involved in the process of digestion    A number of enzymes are involved in extracellular digestion     The products of digestion are diffused into the cytoplasm    The products of digestion across the intestinal wall into the body parts