41+ Blood Type Statistics Worldwide PNG. Without blood, the human body would simply stop working. 4 blood groupings and transfusions.
A person inherits their blood type through their parents.
These differences reflect the variation in prevalence among population who are eligible to donate blood, the type of donors (such as voluntary. Prevalence of type a, on the other hand, is fairly constant, except a a trend opposite to type o can be seen in type b, which is more prevalent in eastern europe (and even more so in asia): Blood type is classified according to the presence or absence of substances inherited from one's parents, called inherited antigenic substances. Not all blood is alike.

