Which organ is part of the urinary system and is bean-shaped?

The kidney is indeed the correct answer as it is the organ within the urinary system that is shaped like a bean. Each kidney is responsible for filtering blood, removing waste, and regulating fluid and electrolyte balance. This organ plays a crucial role in maintaining homeostasis by balancing bodily fluids, electrolytes, and pH levels.

The kidneys also produce hormones that are important for various bodily functions, including blood pressure regulation and the production of red blood cells. Their unique bean shape is not just anatomical; it is also advantageous for their location in the body, allowing for efficient filtering of blood through the renal arteries and veins. Understanding the specific role and structure of the kidneys helps illustrate their significance in the overall function of the urinary system.