All food and drinks that enter the body, will go through the processing in the digestive system. There are many organs involved in the human digestive system, to make the food you eat digestible and absorbed by the body. The human digestive system is designed to convert all the food you consume into nutrition, which will later be used for the development and repair of body cells, as well as a source of energy. To be able to use it as a nutrient, the body needs to convert protein to amino acids, fat to fatty acids, and carbohydrates to sugar. Sorry, Page was move to here , please visit the link to read full article. Thanks you.