Once a person is affected by a dengue virus, the platelets can no longer âactivateâ itself. So whenever there is damage, the platelets cannot form the mesh structure and the blood flows out of the vessel. As blood flows out, so does the platelets. This causes the platelet count to fall drastically. The blood that flows out causes internal. and external bleeding and leads to a haemorrhage.
1 Today, the Aswan Dam keeps the Nile from flooding modern cities. 2  The Ancient Egyptians called the Nile the Aur, which means black and comes from the black soil. 3  The Egyptians measured the height of the annual flood using a Nilometer.
The Nile River would flood. This was a very good thing. When the flood waters receded, they left behind fertile soil. Crops could easily be grown in this black, rich soil. The ancient Egyptians called this soil the The Gift of the Nile. The Nile provided other gifts to the ancient Egyptians.Papyrus, used for everything, grew wildly along its banks. It provided water for cooking and bathing.he Nile River would flood. This was a very good thing. When the flood waters receded, they left behind fertile soil. Crops could easily be grown in this black, rich soil. The ancient Egyptians called this soil the The Gift of the Nile. The Nile provided other gifts to the ancient Egyptians.