Group A positive or simply a detrimental: A antigens are current within the surfaces of blood cells. Anti-B antibodies are existing while in the plasma. Someone’s blood form is determined because of the antigens on the red blood cells. Antigens are protein molecules within the floor of those cells. https://blood-castle-mu-online01000.boyblogguide.com/35268069/not-known-details-about-blood-castle-mu-online