Answer:
Answer is stored energy.
Step-by-step explanation:
Fat is one of the classes of food, and its end product is fatty acid. The function of fat to the body is that , it also supply the body with needed energy, just like carbohydrate.
Stored energy is the energy that is stored in the body for later use. This is stored in the muscle cells and liver as glycogen. the glycogen can be converted to glucose when the body is in need of energy, that is when the body wants to make use of it.