EVERYDAY SCIENCE

Detailed explanation-1: -Simple carbohydrates: Various forms of sugar, such as fructose (fruit sugar) and sucrose (table sugar), are simple carbohydrates. They are small molecules, so they can be broken down and absorbed by the body quickly and are the quickest source of energy.

Detailed explanation-2: -Complex carbohydrates raise blood glucose levels for longer and produce a more lasting elevation in energy. The primary function of carbohydrates is to provide the body with energy, and complex carbohydrates do this more effectively.

Detailed explanation-3: -The body uses glucose to provide most of the energy for the human brain. About half of the energy used by muscles and other body tissues is provided from glucose and glycogen, a storage form of carbohydrate. People do not eat glucose and glycogen, they eat foods rich in carbohydrates.