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.
One of the most fundamental functions of the kidneys is to extract and eliminate nitrogenous wastes from the body and to regulate the volume and composition of the body's fluids. The other organs within this organ system are mainly responsible for getting rid of the wastes substances from the body. This sub-system is referred to as the urinary tract and comprises the ureters, the urinary bladder and the urethra.