The average number membership of an American mosque was 1,248 in 2011, which counts Muslims who at least pray for Eid-al-Fitr, one of two major holidays, at the mosque. That's down from 1,625 in 2000 and is likely because of a growth in the number of mosques.
Platelet Function The role of blood platelets is to clog broken blood vessels to prevent the loss of blood. Under normal conditions, platelets move through blood vessels in an unactivated state.
On a stained blood smear, platelets appear as dark purple spots, about 20% the diameter of red blood cells. The smear is used to examine platelets for size, shape, qualitative number, and clumping. The ratio of platelets to red blood cells in a healthy adult is 1:10 to 1:20.The main function of platelets is to contribute to hemostasis: the process of stopping bleeding at the site of interrupted endothelium.n this process, the platelets are spun in a centrifuge and the excess plasma is removed, leaving 10 to 100 mL of platelet concentrate. Such volume-reduced platelets are normally transfused only to neonatal and pediatric patients, when a large volume of plasma could overload the child's small circulatory system.