Molecules that the body recognizes as invaders, including bacterium and viruses, are called antigens .
(Molecules; recognizes; as invaders, including bacterium and viruses) (Molecules that the body recognizes as invaders, including bacterium and viruses,; are called; antigens)
Molecules Molecules that the body recognizes as invaders, including bacterium and viruses,
recognizes are called
as invaders, including bacterium and viruses
antigens