Blood types A and AB will clump with the addition of anti-A serum. The serum reacts with the A antigen present in these blood types to produced clumping.
It means you have ruptured a blood vessel in your nose.
It means a nugget ful of clump
It's likely a blood clot.
It could mean that there is dried blood on it or maybe just a booger on it.
they clump together
because it has no antigen in it.
You probably mean Westergren. High sedimentation rates mean that the red cells clump easily together. This is can be caused by an infection/inflammation
No, not having a bloody nose is a good thing. Most of the time. But you aren't unhealthy!
AB and B. Any blood type with different antigens.
Platelets are cell fragments that clump together to form a plug that helps reduce blood loss by sealing off small breaks in blood vessels.
blood type A