[Free Registration/Login may be required to access all resource tools.] Outlines the four steps of respiration.

[Free Registration/Login may be required to access all resource tools.] Discusses the process of respiration and how it differs from cellular respiration.

Take this interactive, multiple-choice quiz over human respiration, then review your score and any missed questions at the end.

Understand how some respiratory disorders affect the human body.

[Free Registration/Login may be required to access all resource tools.] Covers the organs of the respiratory system.

Take this interactive, multiple-choice quiz over the human respiratory system, then review your score and any missed questions at the end.

Students estimate the number of breaths they take, then perform an experiment to find the actual amounts.

Learn about the structure and function of the respiratory system organs.

The Campaign for Tobacco-Free Kids has developed a website showing how and why tobacco can affect many different aspects of your life. Click on one of the categories on the left to see how cigarette smoking hurts your health.

A video animation showing how oxygen is brought to the cells in the body. Follow the oxygen as it is taken in by the lungs as gas and then transformed into solution and carried by hemoglobin throughout the body. Also learn how oxygen...

This site provides many links on information about cancer.

Solid information on exposure to asbestos. Presented in a question and answer format.

Lesson that teaches about X-rays and how they are used in diagnosing ailments of the heart and lungs.

Fact card on severe acute respiratory syndrome, commonly known as SARS, and the serious dangers it can pose to human health.

The Med Help Support Communities provides questions and answers about most medical conditions as well as allowing you to type in a question and get a reply from a doctor.

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

Describes the five main approaches to the treatment of COPD.

This animation illustrates how the diaphragm and muscles around the rib cage work to facilitate inhaling and exhaling.

Learn how your lungs help you breathe by making a model of the way your lungs work using a clear plastic bottle, scissors, and two medium-sized balloons.

[Free Registration/Login Required] This is a 2nd grade unit on how the human body changes, as well as lessons on the heart and lungs, bones and muscles, and the digestive system. This unit includes web links to some fun informational...

[Free Registration/Login Required] This unit helps children to learn that there are many aspects to keeping healthy. Children learn about the heart and how heartbeat is affected by exercise. It gives opportunities to explore issues about...

Learn fun facts and information about the major organs and eight main body systems.

This site from the Cancer Index provides a long list of links to sites on every imaginable type of cancer, genes related to cancer, treatments, and resources for cancer patients and their families. The index can be viewed alphabetically,...

Explore the human body like never before. Resource presents hundreds of interactive anatomy pictures and descriptions of thousands of objects in the body.