because bacteria and virus cant pass through them, generally.
Neutrophils
The primary purpose of the army is to provide a defense against foreign invasion.
Unwillingness to be oppressed by foreign invaders.
The body's defense system is the immune system.
immunology
B cells release antibodies that attach to foreign invaders and mark them for destruction by phagocytes.
antigens
Executive, through the Department of Defense.
B cells release antibodies that attach to foreign invaders and mark them for destruction by phagocytes.
phagocytosis of foreign materials
The medications work by interfering with the multiplication process of white blood cells, which is part of the body's natural defense system when foreign invaders, such as a new organ, are detected.
Yes it is!! In my Science book it say Inflammation is a local response to invaders.