In the human body, most of the digestion occurs in the

Most digestion, and almost all absorption, takes place in the small intestine, where pancreatic juice, bile and intestinal enzymes break down carbohydrates, proteins and fats, and the villi absorb the products. The stomach only begins protein digestion with pepsin. The pancreas makes digestive enzymes but food never passes through it, and the large intestine mainly absorbs water.