Gallbladder purpose. The gallbladder is a "bag" that fills between meals with bile made in the liver. The bile is then concentrated and injected into the duodenum during a meal. When the gallbladder does not empty completely, sludge and debris may accumulate and initiate gallstone formation.
It stores bile. ...Which aids in digestion.
Digestion, The gallbladder holds bile (made in the liver) which is a detergent that helps digest fat. The pancreas makes and secretes enzymes that help digest carbohydrates, proteins, and fat as well as hormones like Insulin that help regulate glucose in the body. This allows the food to be broken down and absorbed more effectively. Read more...