The A blood type has only the A antigen and the B blood type has only the B antigen. The AB blood type has both A and B antigens, and the O blood type has neither A nor B antigen. By the time you are six months old, you naturally develop antibodies against the antigens your red blood cells lack.
Spain's football league is extremely competive and features many of the world's best players. While Real Madrid and FC Barcelona have run the show for much of La Liga's history, in recent years they have been met with top-notch competition from teams such as the Deportivo de La CoruÃ±a and Valencia CF. La Liga: Season-long tournament between the teams of Spain's top football division.
the premier league is the top tier of english club football comprising of teams from england and walesthere are twenty teams in the league who play each other twice in each season once at home and once awayhe league was founded in 1992 as first division clubs opted to break away from the f a and football league allowing the premier league to negotiate their own broadcast and sponsorship agreements a move intended to make english teams competitive against their european counterparts