Immune System

Front

What is the main purpose of the immune system?

Back

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

Front

True or False: Your body cannot make antibodies for pathogens that you have never been in contact with.

Back

True, because your body needs to encounter the pathogen at least once in order to create the antibodies.

Front

What are produced by B cells and designed to mark antigens for destruction?

Back

Antibodies.

Front

Which type of invader will antibiotics help your body fight off?

Back

Bacteria.

Front

What is an example of passive immunity?

Back

You got your mother's antibodies.

Front

What are antigens?

Back

Antigens are substances that trigger an immune response, often found on the surface of pathogens.

Front

What is active immunity?

Back

Active immunity is when your body produces its own antibodies in response to a pathogen.

Front

How do vaccines work?

Back

Vaccines introduce a harmless part of a pathogen to stimulate the immune system to create antibodies.

Front

What is the role of T cells in the immune system?

Back

T cells help to identify and destroy infected cells and coordinate the immune response.

Front

What is the difference between viruses and bacteria?

Back

Viruses are smaller and require a host to replicate, while bacteria are single-celled organisms that can live independently.