MacroPhage

Nutrition is the process of taking in food and using it for growth, metabolism, and repair. Nutritional stages are ingestion, digestion, absorption, transport, assimilation, and excretion. Nutrient is a substance or ingredient that promotes growth, provides energy, and maintains life. Food is any substance consumed to provide nutritional support for an organism. It is usually of plant or animal origin, and contains essential nutrients, such as carbohydrates, fats, proteins, vitamins, or minerals. The substance is ingested by an organism and assimilated by the organism's cells to provide energy, maintain life, or stimulate growth. A  meal  is an eating occasion that takes place at a certain time and includes prepared food.      The names used for specific meals vary greatly, depending on the person's culture, the time of day, or the size of the meal. Diet   is a particular selection of   food , especially  as  designed or prescribed to improve a person'

1)      The nutrients can be classified into six groups. They are: Carbohydrates, Proteins, Fats, Vitamins, Minerals and Water. 2)      Nutrients are classified according to amount that person needs to consume daily into: a) Macronutrients such as carbohydrates, proteins, fiber, fats and water, b ) Micronutrients such as vitamins and minerals. 3)      Food is classified into: a) Body-building food or Growing food : Proteins , b ) Energy-giving food : fats and carbohydrates , c) Protective food such as vitamins and minerals . 4)      Carbohydrates are classified into: a) simple (mono- and disaccharides), b) complex (polysaccharides). 5)      Mono- and Disaccharides can be used easily by body while Poly-one have to be broken into simple sugar such as cellulose and starch. 6)      The Carbohydrates form about 50 to 70 percent of our food. 7)      The main sources of carbohydrates are bread, maize, macaroni, banana, sweet fruits, and honey. 8)      Proteins