Armed Forces Day (Poland) Armed Forces Day, known also as the Feast of the Polish Armed Forces (Polish: ÅwiÄto Wojska Polskiego), is a national holiday celebrated annually on 15 August in Poland, commemorating the anniversary of the 1920 victory over Soviet Russia at the Battle of Warsaw during the PolishâSoviet War.
It performs the following important functions; 1  FORMATION AND ELIMINATION OF URINE: The main function of urinary system is formation and elimination of urine. 2  OSMOREGULATION: Kidneys are important osmoregulatory organs of human body. 3  ACID BASE BALANCE: Kidneys are important regulators of pH of body fluids.
What Is the Function of the Bladder? The bladder, part of the urinary system, is a hollow stretchable organ in the lower abdomen. Ureters carry urine from the kidneys to the bladder, and the bladder empties through the urethra. In the female, the bladder lies against the uterus and vagina; and in the male, against the rectum.