Tuesday, May 4, 2010

Nutrition

Lusk,Graham has defined nutrition as " the sum processes concerned with growth,maintenance, and repair of the living body as a whole or of its constituent parts".Nutrition is primarily concerned with supply of essential food stuff to all the cells within the body that enable the cells to carry on their proper functions.
Many aspects affect health of an individual.One of the major aspects is nutrition.It is said that individuals health is the product of what we eats.Therefore,an individual must take food from different groups so that he/she may fulfil his/her requirements.The food that we eat should contain appropriate amounts of fat,protein,carbohydrates,vitamins,minerals and water.In addition to take the adequate nutrients it must be ascertained that these are properly digested,absorbed and transported to the tissues and utilized by the tissue cells.This process can help us to maintain our body as a whole.Chemically,the nutrients can be divided into six groups...These groups are classifed as follow.

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