Respiratory System

Front

What gas do your lungs take in when you breathe?

Back

Oxygen

Front

What gas do your lungs remove when you breathe out?

Back

Carbon dioxide

Front

What is the name of the muscle that helps inflate the lungs?

Back

Diaphragm

Front

Where does air enter the respiratory system?

Back

Nose

Front

What are the tiny air sacs in the lungs called?

Back

Alveoli

Front

What is the function of the trachea?

Back

It is the tube through which air moves to and from the lungs.

Front

What is the main function of the respiratory system?

Back

To exchange gases (oxygen and carbon dioxide) between the body and the environment.

Front

What is the role of alveoli in the respiratory system?

Back

They are the site of gas exchange between the lungs and blood.

Front

What happens to the diaphragm when you inhale?

Back

It contracts and moves downwards, allowing the lungs to expand.

Front

What is the pathway of air from the nose to the lungs?

Back

Nose → Trachea → Bronchi → Lungs