Kids Health - How Your Immune System Works

The purpose of the immune system is to:

• help germs invade your body

• fight off sikness

• make your nose run

• give you diarrhea

The immune system is made up of

• tissues

• organs

• cells

• all of the above

As part of the immune system, white blood cells fight germs. Another name for white blood cells is:

• Rhinovirus

• Leukocytes

• Glands

• Nodes

Leukocytes are found in lots of places, including an organ in your belly that filters blood and helps fight infections known as the:

• heart

• spleen

• kidneys

• brain

The four main types of germs are:

• Viruses, bacteria, parasites, and fungi

• Viruses, parasites, fungi, and phagocytes

• Parasites, bacteria, lymphocytes, and fungi

• Small, medium, large, and extra large

Getting these when you’re young helps your immune system fight off diseases:

• stickers

• bandages

• shots (immunizations)

• cough drops

To be “immune” means what?

• That you are infected

• That you are bald

• That you are more likely to get sick

• That you are protected

Tags

NGSS.HS-LS1-3

Lymph nodes are found in the:

• neck

• armpits

• groin

• all of the above

When someone’s immune system overreacts to something harmless it’s called:

• Overreactus maximus

• An allergy

• A sneeze

• The measles

Which of the following will not help your immune system?

• Playing sports video games

• Exercising

• Eating healthy food

• Regularly washing your hands