Blood transfusions are when you have blood in a bag and you receive that blood because you have lost a lot of blood and you need to make up for that blood. When you have a blood transfusion you have to have a certain type of blood because of what blood type you are.
Blood transfusions are when you have blood in a bag and you receive that blood because you have lost a lot of blood and you need to make up for that blood. When you have a blood transfusion you have to have a certain type of blood because of what blood type you are.