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.
Sheffield F.C. in Sheffield, England, is the world's oldest independent football club â that is, the oldest club not associated with an institution such as a school, hospital or university.It was founded in 1857.he oldest existing non-university semiprofessional football club is the Watertown Red & Black, which was founded in 1896. The Arizona Cardinals, formed in Chicago in 1899, are the oldest club currently in the National Football League, although they relocated to St. Louis in 1960 and then to Arizona in 1988.