Front

What is the main purpose of the immune system?

Back

Protect the body from pathogens.

Front

What is a disease-causing microorganism, such as a bacterium or virus?

Back

Pathogen.

Front

How does the body detect pathogens?

Back

By their antigens.

Front

What are the first line defenses of the immune system?

Back

Skin, hair, and mucus.

Front

Which of the following does NOT weaken the immune system?

Back

Healthy diet.

Front

What are antigens?

Back

Substances that trigger an immune response.

Front

What role do antibodies play in the immune system?

Back

They help neutralize pathogens.

Front

What is the difference between innate and adaptive immunity?

Back

Innate immunity is the body's first line of defense, while adaptive immunity develops over time and targets specific pathogens.

Front

What is a vaccine?

Back

A substance that stimulates the immune system to develop immunity to a specific pathogen.

Front

What is the function of white blood cells?

Back

To fight infections and protect the body from pathogens.