RESPIRATORY SYSTEM

Front

What gas do we breathe out?

Back

Carbon dioxide.

Front

What are the two sacks that help us breathe?

Back

Lungs.

Front

What is the long tube that air goes down when we breathe?

Back

Windpipe.

Front

What happens when we breathe out?

Back

Carbon dioxide leaves our body.

Front

What gas do we breathe in?

Back

Oxygen.

Front

What is the function of the lungs?

Back

To help us breathe and pass oxygen into our blood.

Front

What is the role of the windpipe?

Back

To carry air to and from the lungs.

Front

What do we call the tiny air sacs in the lungs where gas exchange occurs?

Back

Alveoli.

Front

What happens to oxygen after we breathe it in?

Back

It enters our lungs and passes into the blood.

Front

What is the process of taking air into the lungs called?

Back

Breathe in.