Metabolism is a term used to describe all the chemical processes that go on
continuously inside an organism to maintain life and the proper functioning of organs.
Examples include breathing, repairing cells and digesting food. These chemical processes
require
stimuli
responses
changes over time
energy
These chemical processes require energy. The respiration and metabolism require adenosine triphosphate (ATP) which is cellular energy, and the organs get their fuel from the calories we consume. Without this energy, we eventually die
