After the Russian Revolution of 1917, Georgia declared independence in 1918, but the democratic Republic of Georgia, ruled by a social-democratic government, was invaded by the Red Army in 1921, a few days after it was recognized by European states.
And.. The Semilunar Valves prevent the back flow of the blood from the arteries to the ventricles. Explain what happens to tissues, such as the heart, or the brain, if oxygenated blood is not delivered in a timely manner. The tissue of the organ starts to die.
However, when this system is not operating properly due to illness or injury, the body becomes distressed because it is not receiving enough oxygen. It then shunts the blood to the core of the body where the vital organs are located. Many of the early signs of poor perfusion are exhibited through the skin. It is important to find the cause of the poor perfusion because as the organs are deprived of oxygen they will begin to shut down, resulting in death.