OpenStax
Open Stax: Exercise, Nutrition, Hormones, and Bone Tissue
All of the organ systems of your body are interdependent, and the skeletal system is no exception. The food you take in via your digestive system and the hormones secreted by your endocrine system affect your bones. Even using your...
American Forum for Global Education
American Forum for Global Education: Parts of You
This site is provided for by the American Forum for Global Education. Exploration of body parts is the format used to teach the economic concept of interdependence to primary students.