Fascinating Facts Collection
Fascinating facts, factoids, miscellany, trivia ...
There are four main Blood types: A, B, AB and O and each Blood type is either Rh positive or negative. Blood types in the US Type O positive 38.4%, O negative 7.7%, A positive 32.3%, A negative 6.5%, B positive 9.4%, B negative 1.7%, AB positive 3.2%, AB negative 0.7%
