List a few functions of fats in animal body.

1. Source of Energy --- The main function of fats is to provide the body with a rich source of energy. Fats are also used as an energy reserve in the body. When needed, fats can be converted to energy.

 2.     Warmth ---  The layers of fats beneath the skin act as insulators to keep the body warm.

 3.     Protection --- Fats protect vital internal organs such as the kidneys, heart and liver, by surrounding and cushioning them.

4.  Solvent for vitamins --- Fats act as a solvent for certain vitamins in the body. These fat-soluble vitamins dissolve and are stored in fats.