Immune System Review

Front

What is the purpose of the immune system?

Back

The purpose of the immune system is to fight off sickness.

Front

True or false: Sneezes and coughs help your body to get rid of pathogens.

Back

True

Front

What is a vaccine?

Back

A vaccine is a weakened pathogen injected in the body to produce immunity.

Front

What is the term for a strong response to a harmless antigen in the environment?

Back

An allergy.

Front

What are the 4 types of pathogens that could cause illness?

Back

Bacteria, fungi, viruses, parasites.

Front

What is an antigen?

Back

An antigen is a substance that triggers an immune response.

Front

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

Back

White blood cells help to identify and destroy pathogens.

Front

What is herd immunity?

Back

Herd immunity occurs when a large percentage of a population becomes immune to a disease, making its spread unlikely.

Front

What is the difference between active and passive immunity?

Back

Active immunity is developed through exposure to pathogens, while passive immunity is acquired through antibodies from another source.

Front

What is an autoimmune disease?

Back

An autoimmune disease occurs when the immune system mistakenly attacks the body's own cells.