Proteins, fats and carbohydrates. Absorptive function performed gastric mucosa, small intestine and colon. This process ensures the supply of undigested organic matter, salts, vitamins and water into the internal environment organizma.Motornaya or motor function is carried out muscles of the digestive tract and provides chewing, swallowing, movement through the digestive tract undigested food and the removal of debris. Digestive enzymes and their role. A major role in the chemical processing of food ..


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