Now some types of eating patterns or diets consider carbohydrates as nutrients that need to be avoided. Though many carbohydrate functions for the body are needed for daily activities. In addition to protein and fat, carbohydrates are also the main nutrients found in daily food offerings and are needed by the body. Almost all healthy eating patterns suggest to include a combination of all three. Carbohydrate Function There are three main functions of carbohydrates that are needed by the body, namely: Main energy source The first function of carbohydrates is as the main source of energy for the body. This energy is needed from breathing to more intense bodily activities, such as running. During the digestion process, the source of carbohydrates will be broken down into sugar, which is then absorbed by the digestive tract and into the bloodstream. This sugar is known as blood sugar (glucose). Assisted by insulin, sugar in the blood will enter the body's cells. If there is ex...