Which organ stores and concentrates bile?

• A. Gallbladder
• B. Liver
• C. Pancreas
• D. Spleen

Answer: (A)

Bile is produced by the liver and then stored and concentrated in the gallbladder. The gallbladder’s job is to hold bile until you eat, and while stored, it concentrates bile by removing water and electrolytes. When fatty food enters the small intestine, hormones like cholecystokinin signal the gallbladder to contract and release the concentrated bile into the duodenum through the bile ducts, helping to emulsify fats.

The other organs don’t store bile: the liver makes bile but doesn’t store it, the pancreas produces digestive enzymes, and the spleen isn’t involved in bile digestion.