CK-12 Foundation
Ck 12: Life Science: 11.6 Skeletal System
Learn the function of the bones in the human skeletal system.
McGraw Hill
Oregon State University: How Exercise Builds Bones
Here, at this site from the Oregon State University's Organic Chemistry Online Learning Center, are some discussion topics on diseases and disorders, like osteoporosis that affect bones. Here, you can read the information on how to avoid...