Produced in the bone marrow, blood is typically collected in what is called "whole blood" and then may be separated into three components—red cells, platelets, and plasma.
- All blood types are needed, especially type O
- Type O donors are in high demand, especially O- donors (universal red cell donor) whose donations can be given to everyone in need
- Donate 3-4 times per year
- Approximate donation time: 1 hour