Parts and Functions of the Respiratory System

Front

What is the main function of the respiratory system?

Back

The main function of the respiratory system is to facilitate the exchange of oxygen and carbon dioxide between the body and the environment.

Front

What are alveoli?

Back

Alveoli are tiny sacs of lung tissue specialized for the movement of gases between air and blood.

Front

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

Back

The larynx leads air into the appropriate channel and functions mainly in speech.

Front

What is the trachea?

Back

The trachea, also known as the windpipe, is a tube that connects the larynx to the bronchi, allowing air to pass to and from the lungs.

Front

What are bronchi?

Back

Bronchi are the two main branches of the trachea that lead into each lung.

Front

What is the function of the diaphragm in respiration?

Back

The diaphragm is a muscle that contracts and relaxes to help draw air into the lungs and push it out.

Front

What is the process of gas exchange?

Back

Gas exchange is the process by which oxygen is taken into the body and carbon dioxide is expelled, occurring in the alveoli.

Front

What is the role of cilia in the respiratory system?

Back

Cilia are tiny hair-like structures that line the respiratory tract and help to trap and move particles out of the airways.

Front

What is the importance of the nasal cavity?

Back

The nasal cavity warms, moistens, and filters the air we breathe before it enters the lungs.

Front

What is the function of the pleura?

Back

The pleura are membranes that surround the lungs and provide lubrication to reduce friction during breathing.