Constituents of Food: Important Facts Food is a nutritive substance taken by an organism for growth, work, repair, and maintaining life processes. Functions of Food: It provides energy to carry out the various life processes of the body. It helps in the growth and repair of worn-out tissues. It regulates the life processes and protects the body against diseases. Constituents of Food: Carbohydrates: Carbohydrates are the chief source of energy in our diet. They are chemical compounds containing carbon, hydrogen, and oxygen. Chief Sources of Carbohydrates are rice, wheat, maize, barley, potato, sugarcane, beetroot, banana, etc. The carbohydrates produce energy … Continue reading Constituents of Food: Carbohydrates, Proteins, Fats, Vitamins