is the scientific study of how the body protects itself. There was a strange when the two blood types came into contact with each other. The accident victims received blood from anonymous donors. of blood type 0 can have any blood group. Landsteiner used blood as a test. 11 класс , 13 страница , упражнение 4

Immunology is the scientific study of how the body protects itself. There was a strange Reaction when the two blood types came into contact with each other. The accident victims received blood Transfusion from anonymous donors.  Recipients of blood type 0 can have any blood group. Landsteiner used blood as a Paternity test.