Author: Aaron Mullally

This lesson will discuss the structure and function of carbohydrates as well as introduce the types of carbohydrates and their roles in your body.

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Carbohydrate Classification and Functions

Video Images: Video Images: Starchy foods image, Public Domain: http://bit.ly/Uydumt; Lyristes Plebejus image, Creative Commons: http://bit.ly/RP11rq; Glucose image, Public Domain: http://bit.ly/SZWinT; Saccharose image, Public Domain: http://bit.ly/Rxi0gA; Glycogen image, Public Domain: http://bit.ly/QBipBH

Terms to Know

​Organic compounds broken down into sugar by the body and used as a source of energy.


​Simple carbohydrates composed of single sugar units.


​Carbohydrates composed of two or more sugar units combined. Oligosaccharides include a type of carbohydrate called disaccharides which are composed of exactly two sugar units.


​Carbohydrates composed of many sugar units joined together by dehydration synthesis.

​Organic Compounds

Compounds that contain the element carbon.