What are the 3 rarest blood types?
The rarest blood types are: B negative(B -ve), which is [...]
What is the golden blood type?
Rh-null One of the world's rarest blood types is one [...]
Which blood group is hardest to get?
What's the rarest blood type? AB negative is the rarest [...]
When can you not donate blood?
You cannot donate blood if you: Are HIV positive Are [...]
Why is blood group O negative considered the universal donor?
A person having O negative blood group lacks all the [...]