Respiratory System Components and Processes Quiz

Alveoli facilitate gas exchange in the lungs.

Epiglottis acts as a barrier, preventing food from entering the windpipe during swallowing.

Respiration involves the exchange of gases (oxygen and carbon dioxide) in the lungs.

Digestion of food is not a function of the respiratory system; it is performed by the digestive system.

Oxygenation is the process of oxygen binding to hemoglobin in red blood cells.

Pulmonary artery is part of the circulatory system, not the respiratory system.

Surfactant reduces surface tension in the alveoli, preventing their collapse.

The medulla oblongata regulates involuntary actions such as breathing.

Ventilation refers to the movement of air into and out of the lungs.

Dyspnea refers to labored or difficult breathing.

The diaphragm contracts to expand the chest cavity during inhalation.

Asthma is characterized by inflammation and constriction of the airways.

Cilia are tiny hair-like structures that sweep mucus and debris out of the respiratory tract.

Mesothelioma is a cancer caused by exposure to asbestos fibers.

Pulmonary edema is the buildup of fluid in the lungs' air sacs.