The BioEd Online project from the Baylor College of Medicine has been creating high-quality instructional resources for a number of years, and this web-based course is one of the most recent additions to their site. The "Genes, Health and Society" course is intended for educators, undergraduates, and anyone else interested in "exploring both classic knowledge and current thinking in the fields of...

This Web site from the Canadian Lung Association contains an excellent collection of learning resources about the respiratory system for grades 1-12. Content varies according to grade range; for instance, the section for grades 1-3 covers basics of lungs and their function with an illustrated story, coloring book, interactive games, and downloadable worksheets. Older students focus in on smoking,...