Lungs Labeling

Front

What is the function of the arytenoid cartilage in the larynx?

Back

The arytenoid cartilage anchors the vocal cords, allowing for the modulation of sound during speech.

Front

What are the primary functions of the nasal conchae?

Back

The nasal conchae filter, heat, and moisten incoming air, and increase the mucosal surface area exposed to air.

Front

What is the hilum of the lung?

Back

The hilum is the indentation on the medial surface of each lung where blood vessels, bronchi, lymphatic vessels, and nerves enter and leave.

Front

What is the average total volume of exchangeable air for a normal male?

Back

The average total volume of exchangeable air for a normal male is approximately 4800 milliliters.

Front

Which region of the pharynx contains the opening of the canal that equalizes pressure in the middle ear?

Back

The nasopharynx contains the opening of the canal that equalizes pressure in the middle ear.

Front

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

Back

The epiglottis prevents food and liquid from entering the trachea during swallowing.

Front

Define the trachea and its function.

Back

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

Front

What is the significance of the cardiac notch in the lungs?

Back

The cardiac notch is an indentation in the left lung that accommodates the space occupied by the heart.

Front

Explain the process of gas exchange in the alveoli.

Back

Gas exchange occurs in the alveoli where oxygen diffuses into the blood and carbon dioxide diffuses out of the blood.

Front

What is the primary muscle involved in breathing?

Back

The diaphragm is the primary muscle involved in the process of breathing.