How the Body Works - Quiz

What are viruses?

• Big animals

• Tiny things that make us sick

• A type of plant

• A kind of medicine

How do scientists see viruses?

• With a telescope

• With an electron microscope

• With sunglasses

• With a camera

What helps protect our body like armor?

• Our hands

• Our bones

• Our skin

• Our hair

How can viruses enter our body?

• Through the air we breathe

• Through a wall

• Through our shoes

• Through sunlight

What carries viruses to our throat?

• White blood cells

• Mucus and air

• Hair

• Teeth

What does our stomach do to viruses?

• It makes them grow

• It destroys them with stomach acids

• It helps them travel

• It changes their color

Which cells help fight viruses?

• Red blood cells

• White blood cells

• Bone cells

• Hair cells

Which virus causes the flu?

• Polio

• Influenza

• Bacteria

• Stomach virus

What can we do to stay healthy?

• Learn about viruses and protect ourselves

• Touch everything and never wash our hands

• Play with sick people

• Eat old food

Why is it important to have a strong immune system?

• To help viruses grow

• To fight viruses and stay healthy

• To make viruses stronger

• To get sick more often