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, such as ...

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 ...

"Every day plenty of patients require transfusion aid," the official added MOSCOW, April 29. /TASS/. The minimum stock of blood components is kept in all Russian blood service institutions ...