Blood Substitutes - What Is the Need for Blood?

Ovid 19 has severely affected even the blood substitute for department mathicut shall little light on how where do we normally use blood? Or basically, in a very short totry line interruption. What is the need for blood? Ya, so mostly, or it's not of whole blood. But not whole blood is always transfused. It's packed arbyse patred cells that are transfused. And because from the whole blood, we can also separate platelets, syrums, quagulation factors and pure red cells. Most commonly, substitutes are given for chronic anemias,. severe anemias, or road traffic accidents. So these are the conditions whee most commonly required