FOOD:

 Food is any solid or liquid which if ingested will enable the body to carry out any of its life functions. Most foods are made up of several simple substances, which we call nutrients. There are six nutrients,. Each of which has specific function in the body. Those supply energy are carbohydrates and fats; those responsible for growth and repair of tissue cells are proteins; those which regulate chemical process in the body are the vitamins and minerals. Water is present in most foods and indispensable component of our bodies. It is the means of transportation for most nutrients & is needed for all cellular activities. Nutrition – is the sum total of the process by which living things receive, utilize the necessary materials for survival, growth & maintenance of worn out tissues. Malnutrition—is the condition that results from an imbalance between dietary intake & requirements. It includes under nutrition, which results from less food intake & hard physical work & over nutrition results from excess food intake & less physical activities Diet- is food containing all the nutrients in sufficient amount & in proper ratio.
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