The main reason that people eat is to get energy and the energy is used by the body to carry out its daily activities.
It should be noted that when we eat, the food needs to be broken down in order for the body to use them. This is done through the process of cellular respiration.
The energy that is in the food that's consumed by human beings is changed into the energy that's usable by the body cells. For example, the sugars in the foods will be digested into a monosaccharide. Also, the energy that's stored in the glucose is converted to ATP which is vital for the body.
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