Before going to know about metabolism we have to know the concepts regarding metabolism . Metabolism is related to the energy concept. The energy comes from anywhere in the world through some process. Metabolism is a process that gives energy from food. Metabolism Metabolism is a phenomenon in the body cells that can able to change food into energy. The metabolism process is done in both humans and animals as well. Metabolism is divided into two types. They are. Catabolism: Catabolism is ... Metabolism is the sum of all the chemical reactions in your body. Your body is constantly breaking down and building compounds, a process that creates and uses energy, and sustains life. Metabolism is how your body turns food and drink into energy for essential functions. Learn about the processes, conditions and factors that affect your metabolism and how to keep it healthy. Metabolism , the sum of chemical reactions that take place in living cells, providing energy for life processes and the synthesis of cellular material. Living organisms are unique in that they extract energy from their environments via hundreds of coordinated, multistep, enzyme-mediated reactions.