No. cAm'ron is not a real Blood because for u to be a real Blood u HAVE to have ties to real Bloods in Cali because Cali is the motherland of Bloods...if u don't have those California ties u are not...
Group O can only receive O type blood. O - negative can be donated to almost anyone, with almost any blood group. It is concidered 'The Universal Donor'.
No blood vessel should ooze blood.However, if a cut occurs, a capillary would ooze blood while a vein would release more, and an artery would shoot blood.