Front

What is the primary function of mucus and cilia in the nostrils?

Back

Filtration

Front

Where are the sinuses located? Options: In the front lobe of the brain, In the skull surrounding the nasal cavity, Inside the nares, Under the cheek bones

Back

In the skull surrounding the nasal cavity

Front

What structure is a passageway for both food and air?

Back

Pharynx

Front

If your epiglottis were to suddenly stop working, what activity could be life threatening?

Back

Eating

Front

The nostrils, larynx, and trachea are all made primarily of:

Back

Cartilage

Front

What structure connects the larynx to the bronchi?

Back

Trachea

Front

Where in the respiratory tract does the exchange of oxygen and carbon dioxide take place? Options: Larynx, Bronchi, Trachea, Alveoli

Back

Alveoli

Front

Your lungs are divided into lobes. How many lobes do you have?

Back

Five

Front

What does the pleura allow the lungs to do?

Back

Expand during breathing

Front

In the process of breathing, during what stage does the movement of the diaphragm enlarge the thoracic cavity?

Back

Inspiration