What is Cooking?

What is Cooking? 
           Cooking is way of preparing food with the use of heat or fire. Food has become a part of material culture, and cuisine is much more than a substance. Food is enriched with cultural, psychological, emotional and even religious significance. Food is essential for life, it gives us the energy and nutrients the body needs to maintain health and life, to grow and develop, to move, work, play, think and learn.