9Most people never give a thought to the health of their gallbladder. The pear-shaped organ does have an important job, collecting and storing bile -- the fluid that helps the body digest fats. But unlike the heart, liver, and kidneys, the gallbladder isn't necessary to keep the body healthy and functioning. Even when it isn't working as well as it should and gallstones develop, most people are unaware that there is a problem.