There are different energy sources in the body. The first source that is tapped for energy is carbohydrates stored in the body. When carbohydrate level goes down, the brain activates a second source of energy. This second method of harvesting energy involves breakdown of body fat. Edited by Ashraf
Channels: Others
Tags: Carbohydrate and fat sources of body energy carbohydrate fat
Uploaded by: bumblebee ( Send Message ) on 25-11-2010.
Duration: 4m 11s