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 main function in the excretory system? The main function of the excretory system is to get rid of wastes  from the body. It is actually composed of many different structures  and organs in other systems of the boâ¦dy. The organs that contribute  are ones like the lungs, skin, liver, kidneys, colon, and bladder,  just to name a few.