The heat from these engines . In each power plant, there are many engines producing energy. Once ignited, the fuel burns, creating the power to turn the wheels. The heat from these engines is called body heat . There are many things that can go wrong inside one of these complex engines.
Mother nature is amazing.
The cell needs an opportunity and occasionally a little help to perform its repair job. The pistons will self correct and synchronize with each other. Each city has many mitochondrion power plants. Each power plant has many engines, and each engine has many pistons. Remember, these are only analogies.