Blood Types: ABO System, Red Blood Cell Antigens & Blood Groups

Visualizing The Most Widespread Blood Types in Every Country

What is the most common blood type? Blood types, explained.

What blood types are and what they mean for you

Where does blood come from in the first place and how is it made? - the Node

Overview of Blood

What really happens to your blood donation? This doc asked, and we answered

Benefits of giving blood include more than just for the recipients

Donate Blood