World Bank Quarterly External Debt Statistics (QEDS). In an effort to facilitate comparison and analysis of countries' external debt positions, the IMF and World Bank launched an online database on November 18, 2004 that offers better access to timely and comparable quarterly external debt statistics for 55 countries.
White blood cell. White blood cells (also called leukocytes or immune cells) are cells which form a component of the blood. They help to defend the body against infectious disease and foreign materials as part of the immune system. There are normally between 4x109 and 11x109 white blood cells in a litre of healthy adult blood - about 7,000 to 25,000 white blood cells per drop.
White blood cells protect the body from infection. They are much fewer in number than red blood cells, accounting for about 1 percent of your blood. The most common type of white blood cell is the neutrophil, which is the immediate response cell and accounts for 55 to 70 percent of the total white blood cell count.t has four main components: plasma, red blood cells, white blood cells, and platelets. Blood has many different functions, including: 1  transporting oxygen and nutrients to the lungs and tissues. 2  forming blood clots to prevent excess blood loss. 3  carrying cells and antibodies that fight infection.