What is a gallbladder?

Answer:
A gallbladder is an organ found in the liver

of most vertibrates and is used to aid in the digestion of fat and fatty acids in food.

The gallbladder is hollow, secretes bile, and is used to assist in the digestion of fat and fatty acids in food. In adults, it is 8cm in length and 4cm in diameter. It is usually pear-shaped and secretes bile into the duodenum.

The most common disorder of the gallbladder is gallstones, which are usually dissolved by medications or ultrasound. If those do not dissolve the gallstones, then removal of the gallbladder is advised and performed.