Putin's rule by fear. Russian President Vladimir Putin listens during a meeting in the Novo-Ogaryovo residence, outside Moscow, Russia, Monday, March 2, 2015. Russian President Vladimir Putin listens during a meeting in the Novo-Ogaryovo residence, outside Moscow, Russia, Monday, March 2, 2015. One can't help but fear Vladimir Putin. Russian President Vladimir Putin wants the public to believe he doesn't benefit from the death of Boris Nemtsov, and some of the slain politician's anti-Kremlin allies seem inclined to agree.
Here are the three main parts of the excretory system and what they do:   The skin-it's responsible for producing sweat, which helps regulate the salt concentration in â¦ the body. When you sweat, the salt helps evaporate the water and, in turn, cools off the body.
Carbon dioxide and some water are excreted by lungs. Other waste materials are removed in the urine.The organs and tissues participating in the excretion of waste products constitute the excretory system. A major function of the excretory system is the excretion of nitrogenous waste.These include ammonia, urea and uric acid .Excretion also helps to maintain a constant body temperature by removing excess heat and maintain a constant internal environment in association with the other system of the body.arbon dioxide and some water are excreted by lungs. Other waste materials are removed in the urine.The organs and tissues participating in the excretion of waste products constitute the excretory system. A major function of the excretory system is the excretion of nitrogenous waste.