[Free Registration/Login Required] Students read about the damage smoking does to the body. A question sheet is available to help students build skills in determining the author's purpose.

This site features a circulatory system internet workshop focused on diseases and healthy living. Students and teachers will benefit from the resources linked to this site.

In this effective site, students will measure their respiratory rate and examine the factors that affect the breathing rate.

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.

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.

In this comprehensive site, students will measure their lung capacity and look at factors that affect the amount of air the lungs can hold.

A biography and profile of Willem Johan Kolff, an internist who developed artificial organs and limbs and the first heart-lung machine for use in open-heart surgery. Also includes a profile of the artificial heart surgeon he collaborated...

Explore the anatomy of the human body. Click on an organ or other body part to read more about its structure and function, and then try out an interactive activity for that organ.

The second of a two-part lesson about how tuberculosis can spread beyond the lungs effecting the bones, central nervous system, gastrointestinal tract, and heart.

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