Some Facts on Blood:

“01 Up to 3 lives are saved by one pint of donated blood.
02. Between 8-12 pints of blood are in the body of an average adult.
03. One unit of blood is ~525 mL, which is roughly the equivalent of one pint.
04. A newborn baby has about one cup of blood in their body.
05. The average transfusion patient receives 3 units of red blood cells.
06. A, B, AB and O are the four main types of blood types. AB is the universal recipient, O negative is the universal donor.
07. Blood centers often run short of types O and B blood.“

70 Rock River Valley Blood Center (Saving lives 70 years.) – (https://www.rrvbc.org/)