Everyone has the right to a smokefree workplace, but those who work in casinos are exposed to so much secondhand smoke that they can suffer the same ailments as heavy smokers themselves. Learn more about the effects of secondhand smoke,...

Find excellent information about the human lungs, and how they contribute to the gas exchange process for the body. Inside, find detailed illustrations and a short, narrated animation of the respiratory system at work.

Get the statistics on lung disease in Canada. In addition to more general facts and figures, you will find links to reports on specific lung-related conditions such as: asthma, emphysema and chronic bronchitis, influenza, and tuberculosis.

Detailed description and illustration of the terminal bronchi and alveoli.

This Lung Association of Saskatchewan site for kids explains how we breathe and the basic mechanics.

An introduction to the form and function of the lungs, including the bronchioles and alveoli.

This is a very detailed site on breathing/respiration. It covers system organization, mechanics, exchange of gases, and oxygen transport. A very thorough site.

Cystic Fibrosis affects the lungs and makes it difficult to breathe. In this article geared toward kids, learn what it is, the causes, how it is diagnosed and treated, and how to live with it.

This page from the National Institute of Neurological Disorders and Stroke website has information on Anoxia and Hypoxia, including definitions, treatment, prognosis, research, and references.

This lesson will cover the respiratory cycle by looking at inhalation and exhalation.

Learn what bronchial tubes are and where they are located in this brief definition by KidsHealth.