Nutrition is the science that interprets the interaction of nutrients and other substances in food in relation to maintenance, growth, reproduction, health and disease of an organism. It includes food intake, absorption, assimilation, biosynthesis, catabolism and excretion.

Nutrients: Components of food.

  • Carbohydrate         Instant energy food
  • Protein                    Body builder food
  • Fat                            Energy giving food
  • Vitamins                 Metabolic regulator
  • Minerals                  Metabolic regulator
  • Water                      Metabolic regulator
  • Roughage                Metabolic regulator

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