Respiratory System

Front

What is the primary function of the respiratory system?

Back

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

Front

What gas do we inhale that is essential for energy production?

Back

Oxygen.

Front

What gas is produced as a waste product of respiration?

Back

Carbon dioxide.

Front

What happens to the diaphragm when we inhale?

Back

The diaphragm moves downwards, creating a vacuum that allows air to enter the lungs.

Front

What happens to the diaphragm when we exhale?

Back

The diaphragm moves upwards, pushing air out of the lungs.

Front

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

Back

Alveoli.

Front

What is the role of cilia in the respiratory system?

Back

Cilia help to trap and move particles and mucus out of the airways.

Front

What is the trachea commonly known as?

Back

The windpipe.

Front

What are bronchi?

Back

The main passageways that branch from the trachea into the lungs.

Front

What is the function of the nasal cavity?

Back

To filter, warm, and humidify the air we breathe.