Respiratory System Overview

Front

What is the function of the Upper Respiratory Tract (URT)?

Back

The URT oversees the air passages of the nose, nasal cavity, pharynx, larynx, and upper trachea.

Front

What does the Lower Respiratory Tract (LRT) consist of?

Back

The LRT consists of the lower trachea, lungs, bronchial tubes, alveoli, pleural membranes, and respiratory muscles.

Front

What are the parts of the nose?

Back

The nose includes nostrils (nares), nasal cavities, paranasal sinuses, and olfactory receptors.

Front

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

Back

The pharynx conducts air between the larynx and trachea and the nasal and oral cavities.

Front

What is the function of the larynx?

Back

The larynx, or 'voice box', is for speaking and phonation, and it protects the LRT from aspirating food.

Front

What is the primary function of the trachea?

Back

The trachea, or 'windpipe', carries air in and out of the lungs.

Front

What are alveoli?

Back

Alveoli are the functional units of the lung, where gas exchange occurs.

Front

What are the symptoms of asthma?

Back

Wheezing, coughing, chest tightness, and shortness of breath.

Front

What is a common treatment for lung cancer?

Back

Chemotherapy or radiation therapy.

Front

What is tuberculosis?

Back

A bacterial lung disease caused by Mycobacterium tuberculosis, leading to severe respiratory symptoms.