WHO SAID IT: A QUIZ ON PRESIDENTIAL WIT AND WISDOM
Origin of immune system
Words nearby immune system
Medical definitions for immune system
Scientific definitions for immune system
Cultural definitions for immune system
The system in the body that works to ward off infection and disease. Central to this system are the white blood cells. Some white blood cells produce antibodies in response to specific antigens that may invade the body; others function as scavengers to fight infection by destroying bacteria and removing dead cells.