Immune System TEST

Front

What does 'contagious' mean?

Back

Able to be passed from one organism to another.

Front

What should you cover when you sneeze?

Back

Your mouth.

Front

What is a fever?

Back

An increase in body temperature that slows the growth of germs.

Front

What is the thymus?

Back

The main gland of the lymph system that is pyramid-shaped and located in the chest.

Front

What can't you get from germs?

Back

A sprained ankle.

Front

What is a pathogen?

Back

An organism that causes disease.

Front

What is the role of lymph nodes?

Back

To filter lymph and help the body fight infections.

Front

What is an allergy?

Back

A reaction of the immune system to a substance that is usually harmless.

Front

What is a vaccine?

Back

A substance that stimulates the body's immune response against diseases.

Front

What is the immune system?

Back

The body's defense system against infections and diseases.