The gall bladder is an organ that is pear-shaped. It stores bile that is concentrated. It serves to excrete bile when a fatty meal has been eaten. When the gall bladder's muscular wall contracts it excretes bile into the duodenum. The bile assists the body to break down the fat, in doing so it aids digestion. Faeces has a brown colour as a result of the bile pigments through the colon.
Examples of a gall bladder not functioning effectively is when the body develops gall stones, this is when the bile duct becomes