There Are Millions of Blood Types
- Episode aired Aug 19, 2019
You're probably aware that your blood can be A, B, AB or O, but it turns out that blood types can get a lot more complicated than that.You're probably aware that your blood can be A, B, AB or O, but it turns out that blood types can get a lot more complicated than that.You're probably aware that your blood can be A, B, AB or O, but it turns out that blood types can get a lot more complicated than that.