General Science Flash Card Set 732421

Card 6 of 10
Blood Types

Blood is categorized into four different types (A, B, AB, and O) based on the type of antigens found on the outside of the red blood cells. Additionally, each type can be negative or positive based on whether or not the cells have an antigen called the Rh factor.

antigens

Blood is categorized into four different types based on the type of __________ found on the outside of the red blood cells.