Vocab Word Week :11/6 Flashcard

Front

What is the immune system?

Back

The immune system is the body's defense mechanism against infections and foreign substances, consisting of various cells, tissues, and organs that work together to protect the body.

Front

What is the germ theory of disease?

Back

The germ theory of disease is a scientific theory that states that many diseases are caused by microorganisms, such as bacteria and viruses.

Front

What is a pathogen?

Back

A pathogen is a microorganism that can cause disease, including bacteria, viruses, fungi, and parasites.

Front

Give an example of a pathogen.

Back

A virus is an example of a pathogen.

Front

What is vaccination?

Back

Vaccination is the process of introducing a vaccine into the body to produce immunity to a specific disease.

Front

What is a toxin?

Back

A toxin is a poisonous substance produced by living cells or organisms that can cause harm to the body.

Front

What role do white blood cells play in the immune system?

Back

White blood cells are crucial components of the immune system that help fight infections by attacking pathogens.

Front

What is the difference between a virus and a bacterium?

Back

A virus is a smaller infectious agent that requires a host cell to replicate, while a bacterium is a single-celled organism that can reproduce independently.

Front

What is herd immunity?

Back

Herd immunity occurs when a significant portion of a population becomes immune to a disease, making its spread unlikely, thus protecting those who are not immune.

Front

What is the purpose of a vaccine?

Back

The purpose of a vaccine is to stimulate the immune system to recognize and fight specific pathogens, providing immunity against diseases.