Blood is made up of red blood cells, white blood cells, platelets, and plasma. Markers called antigens are found on the surface of red blood cells, and differences in these markers classify ...

There are eight types of blood. If yours is O-Negative ... And those are five fast facts about your blood.

"Why do we have different blood types?" asks Doug from Norfolk in The ... Hannah Fry and Adam Rutherford to discover these fabulous facts about blood. 1. You have around 30 TRILLION red blood ...

Interestingly, not everyone is equally vulnerable to the virus, and whether you get sick or not may depend on your blood type ...