Don't Be Afraid to Donate Blood

There are forty three different blood group systems recognized by the i s b t, the international society f blood transfusion. R h capital r little h negative refers to an absence of proteins in your red blood cells. cherish refers to a treatment that will prevent the host body from making anti bodies that attack those r h positive blood cells. If you are donating blood, and again, please do, you won't have to worry about which of those forty three types you might fall into.