Confidence votes 46.8K. I was born a Catholic and have never wavered in my faith in over 70 years. I had 12 years of Catholic education in my youth-both primary and secondary schools.
The carbohydrate energy storage molecule of animals is glycogen.  Glycogen is a substance deposited in bodily tissues as a store of  carbohydrates.
Glycogen is the storage form of glucose and carbohydrates (CHO) in animals and humans. Carbohydrates are a very limited source of energy accounting for only about 1-2% of total bodily energy stores.