RESPIRATORY SYSTEM

Front

What gas do we breathe out?

Back

Carbon dioxide.

Tags

NGSS.MS-LS2-3

Front

What happens when we breathe in?

Back

Oxygen goes down the windpipe.

Front

What is the long tube that air goes down called?

Back

Windpipe.

Front

What are the tiny sacs in the lungs called?

Back

Alveoli.

Front

What happens when we breathe out?

Back

Carbon dioxide leaves our body.

Tags

NGSS.MS-LS2-3

Front

What is the main function of the respiratory system?

Back

To take in oxygen and remove carbon dioxide.

Front

What do we call the process of taking air into our lungs?

Back

Breathing in.

Front

What do we call the process of releasing air from our lungs?

Back

Breathing out.

Front

What is the role of alveoli in the respiratory system?

Back

They allow oxygen to pass into the blood and carbon dioxide to leave the blood.

Front

What is the pathway air takes to reach the lungs?

Back

Nose or mouth -> windpipe -> bronchi -> lungs.