Respiratory System

Front

What gas do the lungs take in during breathing?

Back

Oxygen

Front

What gas do the lungs remove during breathing?

Back

Carbon dioxide

Front

What is the primary function of the diaphragm in the respiratory system?

Back

To assist in breathing by contracting and relaxing, which changes the volume of the thoracic cavity.

Front

What is the role of the bronchi in the respiratory system?

Back

To transport air from the trachea to the lungs.

Front

What is the trachea commonly known as?

Back

The windpipe.

Front

What happens to the diaphragm when you inhale?

Back

It contracts and moves downward, increasing the volume of the thoracic cavity.

Front

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

Back

Inhalation.

Front

What is the process of expelling air from the lungs called?

Back

Exhalation.

Front

What structure prevents food from entering the trachea during swallowing?

Back

The epiglottis.

Front

What are the tiny air sacs in the lungs where gas exchange occurs called?

Back

Alveoli.