Explain the Urinary Bladder

The urinary bladder is a sac, which acts as a reservoir for urine. You would realize that the size and position of the urinary bladder varies depending on the amount of urine content. It is roughly pear shaped, bat becomes more oval in shape as it fills with urine. It lies in the pelvic cavity (a cavity extending from the lower end of abdominal cavity).

But when the bladder is grossly distended, it rises to the abdominal cavity (largest cavity that is situated in the main part of the trunk below the diaphragm).