Magic School Bus- Inside Ralphie

Front

How did they get inside of Ralphie?

Back

Through his cut.

Front

What can white blood cells get rid of?

Back

Bacteria.

Front

What are bacteria?

Back

Germs that can make you sick.

Front

How quickly can bacteria multiply?

Back

Bacteria can multiply quickly.

Front

What do white blood cells use to mark bacteria?

Back

Antibodies.

Front

What is the role of white blood cells?

Back

To fight infections and keep the body healthy.

Front

What happens when bacteria enter the body?

Back

They can cause infections.

Front

What is an antibody?

Back

A protein that helps the immune system identify and destroy germs.

Front

What is the immune system?

Back

The body's defense system against infections.

Front

What do we call the process of bacteria making more of themselves?

Back

Multiplication.