Membranes that line open body cavities

• antigen

• mucous

• antibodies

• pathogen

Highly specific resistance to disease

• antigen

• vaccines

• immunity

• antibodies

Movement of white blood cells from capillaries into tissues

• diapedesis

• complement

• autoimmune

• antibodies

Harmful or disease-causing microorganisms

• vaccine

• pathogen

• antibodies

• antigen

Plasma proteins that attach to foreign cells so they can be destroyed.

• vaccine

• diapedesis

• autoimmune

• complement

Contain dead or weakened pathogens, provide artificial immunity

• antigens

• autoimmune

• antibodies

• vaccines

Abnormally vigorous immune response to otherwise harmless substance

• allergy

• autoimmune

• pathogen

• immunity

any substance that causes an immune response

• vaccine

• antibody

• antigen

• allergy

disease that occurs when the immune system can't distinguish between self and non-self

• autoimmune

• antigen

• antibodies

• mucous

proteins formed in response to specific antigens

• immunity

• vaccine

• antibodies

• antigens