How would you explain the connection between glucose entering the body and energy created by the body to a friend, using your new biochemistry knowled

If i had to explain to a friend the relationship between glucose entering the body and energy being made by first telling them that the conversion of glucose into energy by the body is done by a process called glycolysis. Glycolysis takes a glucose which is a simple sugar and converts it into pyruvate which is an organic acid used in many different processes. The whole process takes place in ten reactions with ten intermediate compounds. The intermediate compounds are important through out the process because they provide entry points for glycolysis to occur. And that all through the process free energy is being made and that it is this free energy that is so important to the body because it is used in making high energy molecules such as ATP and NADH. And both of those substances are involved in many cellular processes.