A)_ described the basic concept of nutrition
B)_described factors that effect nutrition needs

Dear student,
A). The body requires energy and raw material to perform its basic functions. This energy and raw materials are provided by the food we eat, such as carbohydrates, lipids, proteins, water, vitamins, and minerals.
The food we consume is transformed into absorbable form, and then through metabolic activities, it is used by the cells. 

B). 
The nutritional need depends on several factors, but the following are the primary-
1. Age- The growing individual requires more energy and raw material; therefore, more nutrition to perform the anabolic activities.
2. Activity- The person involved in heavy work such as exercise and farming would require more energy, thereby, more nutrition.

Regards

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