Respiratory System

Front

What is the main function of the Respiratory System?

Back

The main function of the Respiratory System is to facilitate breathing, allowing oxygen to enter the body and carbon dioxide to be expelled.

Front

What happens to the lungs when the diaphragm relaxes?

Back

When the diaphragm relaxes, the lungs shrink and push air out.

Front

What is the pharynx?

Back

The pharynx is the upper part of the throat that connects the mouth and nasal passages to the esophagus and larynx.

Front

What role do nose hairs play in the respiratory system?

Back

Nose hairs help keep dust and particles out of the nose, protecting the respiratory system.

Front

What is another name for the windpipe?

Back

The windpipe is also known as the trachea.

Front

What is the function of the larynx?

Back

The larynx, or voice box, is responsible for producing sound and protecting the trachea against food aspiration.

Front

What are alveoli?

Back

Alveoli are tiny air sacs in the lungs where the exchange of oxygen and carbon dioxide occurs.

Front

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

Back

The bronchi are the main passageways that direct air into the lungs from the trachea.

Front

How does the diaphragm assist in breathing?

Back

The diaphragm contracts and flattens to create a vacuum that pulls air into the lungs.

Front

What is the purpose of the respiratory mucosa?

Back

The respiratory mucosa helps to warm, moisten, and filter the air entering the respiratory system.