Early in life, your immune system sorts antibodies from A or B antigens not present on the purple blood cells. The blood group is set by the kind of antigens and antibodies current during the red blood cells. Also, the existence or absence in the rhesus factor (Rh) determines whether https://waylondtizm.blog-kids.com/36988497/indicators-on-cubensis-b-temperature-you-should-know