Group A favourable or maybe a adverse: A antigens are present over the surfaces of blood cells. Anti-B antibodies are existing inside the plasma. Blood clotting: Clotting aids wounds and accidents mend, but blood clots that variety inside a blood vessel can produce a blockage, which may be lifetime https://blood-castle-mu-online43321.blogoxo.com/36545258/a-simple-key-for-blood-castle-mu-online-unveiled