1 Sometimes plaque or a blood clot can completely close an artery, blocking the blood flow to tissue on the other side.  Damaged arteries cause blood supply failures. When a blockage cuts off the blood supply, part of the heart muscle supplied by that coronary artery is deprived of blood.
But the Fertile Crescent refers to areas of fertile soil near important rivers in the area. It stretches from the Nile River in Egypt to the Tigris and Euphrates rivers in modern Iraq.It also encompasses several other countries, including Israel, Lebanon, Jordan and Syria.he Arabian Desert lies to the south of the Fertile Crescent. Archeologist James Henry Breasted first used the term â Fertile Crescent â to describe the area. According to him, the Fertile Crescent was the first area settled in western Asia.
Nile River and the Desert In ancient times, the Egyptians called the desert the red land, distinguishing it from the flood plain around the Nile River, called the black land.ile River and the Desert In ancient times, the Egyptians called the desert the red land, distinguishing it from the flood plain around the Nile River, called the black land.