What are two common uses of fats in the bodies of animals?

Fats are the large molecules that has the ability to form the biomolecule known as lipids. Fats are made of the fatty acids and glycerol. Fats are insoluble in water.

The fats are important for the animal body. Fats are used for the storage source of energy in animals. Fats maintain the internal body heat of a organisms. Fats protect the organs from the damage and also regulates the cell metabolism of the body.

then that particular organisms become extinct.