When you eat a hamburger, some of the energy in the food is converted to ATP that your cells can use to do all kinds of work, some of the energy is stored for later use, and some of the energy is dissipated as heat. You can only make use of a portion of the energy available in the hamburger because the rest is lost as heat. This is a consequence of the:

Question

Quizplus · Accepted Answer

The second law of thermodynamics states that in any energy transformation or transfer, some energy is lost as unusable heat. This means that we can only use a portion of the energy available in the food we eat, with the rest being dissipated as heat.

When You Eat a Hamburger, Some of the Energy in the Food