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U.s. Department of Health and Human Services: Best Bones Forever!
Lesson plans and activities to encourage girls to get physically active and to snack on foods that make healthy bones. Gives basic facts about bones and relates how eating foods with calcium and vitamin D gives a person strong bones....
CK-12 Foundation
Ck 12: Life Science: Keeping Bones and Joints Healthy
[Free Registration/Login may be required to access all resource tools.] You can help keep your bones and skeletal system healthy by eating well and getting enough exercise. Weight-bearing exercises help keep bones strong. Learn more...