Rapid Tone The stomach performs three major functions - storing the swallowed food, mixing the food and the digestive juices, and emptying the digested food into the small intestine. The function of the pancreas is to secrete the hormone insulin, along and that aid in the process of digestion. The digestive juices secreted by the pancreas contain for catalyzing proteins, fats and carbohydrates; whereas the liver produces bile juice for digesting fats. The walls of the small intestine absorb the useful nutrients, which are transported to other parts of the body via the bloodstream.

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