Energy storage
Jan 19th, 2008 by Susan
Any extra calories you eat but do not need will be stored, some as glycogen, but most as fat. If, sometime later, the supply of nutrients in the bloodstream is not enough for the body’s energy needs, the body will use some of the stored supplies. In other words, the process of taking glucose out of the bloodstream and storing it as glycogen or fat is reversed.
The bloodstream also carries vitamins and minerals from the food you eat to the cells. These replace the ones used up in the body’s thousands of chemical processes. A few vitamins and minerals can be stored for future use. Some are recycled and used again. In general, though, you need a fresh supply often.
