Human Illness
Immune Response
Overreactions of the immune system
Immune System
Terms
100

Disease causing agent

Pathogens

100

A nonspecific response that is shown by swelling, redness, pain, itching, and increased warmth at the affected site

Inflammation

100

a chronic skin condition characterized by dry, itchy, and inflamed skin

eczema

100
Body's first line of defense

Skin

100

antigen

A substance, usually a protein, that the immune system recognizes as foreign and triggers an immune response

200

Anything that carries a pathogen and transmits into healthy cells

Vector

200

the hypothalamus to increase the body's temperature

a fever

200

A chronic respiratory disease characterized by inflammation and narrowing of the airways in the lungs

Asthma

200

What prevents a person from getting sick?

Immunity

200

antibody

A protein produced by B cells that binds specifically to an antigen to help neutralize or destroy it

300

Organisms that grow and feed on a host

Parasite

300

What can a transplanted organs cause?

tissue rejection

300

an immune system overreaction to a harmless substance called an allergen

allergies

300

Protiens made by B-cells that destroy pathogens

Antibodies

300

Immunity

The body’s ability to resist or defend against infection and disease through the action of the immune system

400

What is Cell-mediated immunity?

when the lymphocytes themselves defend the body

400

Protein markers on the surfaces of cells and viruses that help the immune system identify a foreign cell or virus

antigens

400

an autoimmune disorder triggered by gluten, a protein found in wheat, barley, and rye

celiac disease

400

Blood cells that find and kill pathogens that have gotten past the body's external barriers

White Blood Cells

400

T-cells

A type of white blood cell that plays a central role in cell-mediated immunity by attacking infected or cancerous cells

500

What produces Antibodies?

B-lymphocytes

500

What will determine whether your immune system will attack or ignore a transplanted tissue?

Antigen receptors on the white blood cell's surface

500

a severe, potentially life-threatening allergic reaction that requires immediate medical attention

anaphylaxis

500

three types of proteins used to fight off invading pathogens

Proteins, Antibodies, and Interferons

500

Macrophage

A large white blood cell that engulfs and digests pathogens and dead cells, acting as a first line of defense