Mitochondria ... same as in your body.

In your body there are many different cells; there is one called the mitocondria, that is the cell that uses energy. In your body there are also things called ribosomes and that is what converts energy into protien.

your vocal cord

It is true that to maintain your body temperature, your body converts chemical potential energy into thermal energy. Thermal energy is energy that comes from heat.

It is true that to maintain your body temperature, your body converts chemical potential energy into thermal energy. Thermal energy is energy that comes from heat.