Respiratory System Review

Front

What are the small tubes that branch off the bronchi that contain clusters of alveoli at each end?

Back

bronchioles

Front

The main air tube leading into the respiratory system.

Back

trachea

Front

voice box; passageway for air moving from pharynx to trachea; contains vocal cords

Back

larynx

Front

What are the tiny sacs of lung tissue specialized for the movement of gases between air and blood?

Back

alveoli

Front

Two short branches located at the lower end of the trachea that carry air into the lungs.

Back

bronchi

Front

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

Back

filtration

Front

Where in the respiratory tract does the exchange of oxygen and carbon dioxide take place?

Back

alveoli

Front

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

Back

inspiration

Front

Capillaries wrap around the ____________ for gas exchange.

Back

Alveoli

Front

The cartilage that closes the larynx to prevent food from entering the trachea is called

Back

Epiglottis