Read about carbohydrates, which make up one of the three "Major classes of macronutrients that are essential to living organisms." In addition to defining several terms, including carbohydrate, simple sugars, complex carbohydrates,...

[Free Registration/Login may be required to access all resource tools.] Carbohydrates, proteins, and lipids contain energy. When your body digests food, it breaks down the molecules of these nutrients. This releases the energy so your...