The function of a healthy bladder is to store urine until it is expelled by the body. However, this function can be disrupted if there is an infection in the bladder or other health problems. The bladder is part of the urinary system in the human body. In addition to the kidneys, other organs included in this system are the ureter which drains urine from the kidneys into the bladder, as well as the urethra that secretes urine from the bladder out of the body. Before being expelled from the body, urine produced by the kidneys will empty first in the bladder. Urine is a filter from waste and fluid from the blood. The function of the bladder holds urine produced by the kidneys and secretes it through the process of urination. Your bladder can hold as much as 400 - 600 ml of urine. Risk Factors That Influence Bladder Function Bladder function can be disrupted when your health is problematic or declining, or it can also be caused by age factors. As we get older, the bladder wall wil...