FOOD IS YUMMY?

Why do we eat food ?
My answer is depending on different points of view which will be summarized as follows:
1)Natural selection :as a living creature, it is very natural for us to eat food in order to cope with the process of "natural selection". In other words, animals and plants survive or become extinct in accordance with their ability to adopt themselves to the conditions of nature.
2)Physiology: as a living creature, it requires certain kinds of food in order to maintain the process of "Metabolism" as well as "Organicism". In other words, by metabolism food is built up into living matters or vice versa(living matters is broken down into simple substances). As for organicism, there are different organs which will co-operate with each or one another to perform various functions so as to carry out the normal or necessary ability for survival.
3)Psychology:as a living creature, it requires certain kinds of food in order to satisfy and escape from the feelings of hunger, fatigue, distress, depression, etc.Owing to these, yummy food or gourmet is especially required for their consumptions.

We eat food because we need nutrients and energy for living and food give us nutrients and energy we need, not just only yummy.
For example, we eat rice(also for noodles, bread,etc) for carbohydrates, which provide energy for us. We eat meat for protein and lipids,lipids can provide us energy too.
If we are not having food, as we have no energy supply, we can only live for about 10 days.

because no food we will die.