Question

blood is a special type of

Answer 1

Answer:

"There are dozens of blood typing systems, but most people are familiar with the ABO and Rh systems, which provide the eight basic blood types. Generally,

• AB-negative is considered to be the rarest blood type."

Answer 2

Answer:

Blood contains red blood cells (and other cells that are not relevant for us here, floating in a fluid called plasma. Red blood cells carry on their surface a set of markers with which the plasma interacts. This compatibility or cross-talk between the cell and the plasma is what makes each blood type special