Understanding the Immune System Quiz

What is the immune system?

• A part of the brain

• Our body’s natural defence

• A type of medicine

What does the immune system protect us from?

• Vitamins

• Muscles

• Germs like viruses and bacteria

What are white blood cells?

• They make our bones stronger

• They find and attack germs

• They carry oxygen

What do lymph nodes do?

• Help us breathe

• Trap and destroy germs

• Help us see

How does the skin help the immune system?

• It makes us look nice

• It helps us move

• It stops germs from getting in

What does mucus in the nose and throat do?

• Helps us sleep

• Catches germs

• Makes us hungry

What can a fever mean?

• You are very cold

• Your immune system is working hard

• You are allergic to fruit

Which of these helps keep the immune system strong?

• Eating sweets

• Playing video games

• Eating fruits and vegetables

What do vaccines do?

• Make us tired

• Teach the immune system to fight viruses

• Help us run faster

What is one way to stop germs from spreading?

• Wash our hands often

• Talk loudly

• Stay up all night