What is a function of the urinary bladder?

The function of the urinary bladder is to store urine until it is ready to be expelled from the body. This storage is crucial as it allows the body to control the timing of urination, providing the necessary flexibility to manage fluid levels and waste excretion. The bladder expands as it fills with urine, which is a liquid waste product filtered from the blood by the kidneys. This function is vital for maintaining overall fluid balance and for eliminating toxins and waste products from the body in an efficient manner.

While there are other organs like the kidneys involved in the processes of urine production and blood filtration, and structures like the ureters that connect the kidneys to the bladder, these do not reflect the primary role of the bladder itself. The emphasis on urine storage highlights its essential role in the urinary system, differentiating it from the other functions that involve the kidneys and other components of the urinary tract.