Immune System Living Environment

To be "immune" means what?

• a. that you are infected

• c. that you are more likely to get sick

• b. that you are bald

• d. that you are protected

Tags

NGSS.HS-LS1-3

Lymph nodes are found in the ....

• a. neck

• c. groin

• b. armpits

• d. all of the above

When someone's immune system overreacts to something harmless it's called ....

• a. overreactus maximus

• c. a sneeze

• b. an allergy

• d. the measles

What is the molecule located on the outside of a pathogen that the immune system recognizes?

• Lymphocyte

• Antigen

• Pathogen

• Inflammation

T or F - A fever can help you fight infection.

• true

• false

T or F - A pathogen is any living organism.

• true

• false

T or F - The type of pathogen that invades your cells and uses your cellular processes to make more copies of itself is a virus.

• true

• false

This network of cells and proteins defends the body against infection AND keeps a record of every pathogen it defeats so it can quickly recognize and destroy the microbe if it enters the body again.

• Antigen

• Antibody

• Immune system

• Coronavirus

A blood protein produced to fight off a specific antigen such as bacteria, viruses, and foreign substances in the blood. The red structures in the image

• Antibody

• Antigen

• Pathogen

• Metabolism

What is the primary function of the immune system?

• To digest food

• To circulate blood

• To protect the body against diseases

• To regulate body temperature