There are four main blood groups (types of blood) – A, B, AB and O. Your blood group is determined by the genes you inherit from your parents. Each group can be either RhD positive or RhD negative, which means in total there are eight main blood groups. Also Known As: Blood Group, Rh Factor, ABO Grouping, Blood Typing, ABO Group Blood is made up of red blood cells, white blood cells and platelets in a liquid […]
