What is the main purpose of the gallbladder in the digestive process?

The main purpose of the gallbladder in the digestive process is to store and release bile for digestion. Bile is a digestive fluid produced by the liver that plays a crucial role in emulsifying fats, making them easier to digest and absorb in the small intestine. When fatty foods enter the small intestine, the gallbladder contracts to release the stored bile into the digestive tract, facilitating the breakdown of fats.

The other options reflect functions of different organs or systems within the body. For instance, the secretion of insulin is primarily the function of the pancreas, which helps regulate blood sugar levels. Absorption of nutrients occurs mainly in the small intestine, where digested food components are taken into the bloodstream. Transporting blood is the role of the circulatory system, specifically the heart and blood vessels. Each of these processes is vital for overall health, but they do not pertain to the gallbladder’s primary function.