Immune System

Front

What causes an immune response during organ transplants?

Back

White blood cells react to the foreign antigens on the organ.

Front

What structure does the human immune system create to fight pathogens?

Back

Antibody.

Front

What is a pathogen?

Back

A pathogen is a large structure with antigens on its surface that can cause disease.

Front

What are antibodies?

Back

Y-shaped proteins made by the immune system to identify and neutralize pathogens.

Front

Which statement about antibodies is FALSE?

Back

They can attack any antigen that enters the body.

Front

What is the role of white blood cells in the immune response?

Back

They identify and attack foreign substances, such as pathogens.

Front

What is an antigen?

Back

A substance that triggers an immune response, often found on the surface of pathogens.

Front

How do antibodies function in the immune system?

Back

They bind to specific antigens to neutralize or mark them for destruction.

Front

What is the difference between an antibody and an antigen?

Back

An antibody is produced by the immune system to fight antigens, which are foreign substances.

Front

What happens to antibodies after they are produced?

Back

They remain in the bloodstream for a long time to provide immunity.