you can't get blood. it comes naturally.
Yes. You have MN system of blood group in humans.
Blood type in humans is an example of multiple alleles.
blood blood
same way you get a humans blood.
No. Only humans have human blood.
The most common blood group for humans is O positive. It is estimated that around 38% of the global population has this blood type.
blood and oxygen
No, they need human blood.
No, gnats with blood in them do not pose any health risks to humans.
yes, and there is no existence of vampires.
Normally, they would drink blood. Preferebly from humans and goats.
No.