The nutritional channel is a general term used in medicine and physiology to refer to the pathway through which food and other nutritional substances enter the human or animal body. In a broad sense, the nutritional system includes all organs, tissues and structures involved in the processing, storage, transportation and use of food to support life.
The basis of the nutritional system is the digestive organs, which separate food into basic nutritional components such as proteins, carbohydrates and fats. Digestive processes include digestion and assimilation of food, secretion of digestive enzymes, absorption of nutrients into