Hydra vertical; Papergirls Niger, Papergirls orate. Introduction. Digestion is the process by which food is ground into small pieces so that it can be absorbed by intestinal cells and spread in the body through the bloodstream. Normally, the pancreas nucific bio x4 when the food is ingested active which in turn secretes digestive enzymes in the small intestine. Once the food arrives in the small intestine these enzymes begin to demolish it and reduce it into small particles suitable to be absorbed by the body cells.....