Respiratory System Intro HS

Front

What is the name of the muscle that moves the lungs?

Back

Diaphragm

Front

What happens to the diaphragm when air is drawn into the lungs?

Back

The diaphragm contracts.

Front

What is the PRIMARY function of the nasal cavity in the respiratory system?

Back

Filtering, warming, and moistening incoming air.

Front

What is the name of the piece of cartilage that blocks the larynx when we swallow food?

Back

Epiglottis.

Front

How many lobes does the right lung have?

Back

Three.

Front

What is the function of the alveoli in the respiratory system?

Back

Exchanging gases (oxygen and carbon dioxide) between the air and blood.

Front

What is the trachea commonly known as?

Back

Windpipe.

Front

What role do bronchi play in the respiratory system?

Back

They are the main passageways that branch from the trachea into each lung.

Front

What is the purpose of the pleura in the respiratory system?

Back

To provide lubrication and reduce friction between the lungs and chest wall.

Front

What is the process of breathing called?

Back

Ventilation.