There are four components - or parts - of the blood: red blood cells, white blood cells, plasma and platelets. Blood carries things you need, like oxygen and glucose, and waste products ...

and therefore blood is separated into its components (red cells, platelets and plasma) prior to transfusion. Blood components can be either produced from whole-blood donations or collected ...

Blood is essential to life. We’re all born with it and will die with it. And unlike a hip or a heart or a lung, it can be replenished but never replaced. The volume of blood in our bodies ...