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 is a famous river that flows through Egypt and feeds into the Mediterranean Sea. In addition to Egypt it runs through Uganda, Ethiopia, Sudan, and South Sudan. The rivers that form one of the two upper sections, the White Nile, also flow through Burundi, Rwanda and Tanzania.ther: Length - 6,650 km (4,130 miles). Although the Nile is not the largest river in volume, it is one of  the longest rivers in the entire world. The Nile runs through the  countries of Egypt, Sudan, Ethiopia, Uganda, Zaire, Kenya, Eritrea,  Tanzania, Rawanda, and Burundi.