Cave Creek Unified School District
Crusades and Culture in the Middle Ages
The Crusades sounds like a glamorous time period in the Middle Ages full of glory—but was it? Scholars find and review the truth of the Crusades' influence on the world through the resource. The study guides, separated individually by...
OpenStax
Open Stax: Anatomy & Physiology: Overview of the Digestive System
Students learn about the structure and function of the human digestive system, the accessory digestive organs, the tissue layers of the alimentary canal, the contributions of the enteric and autonomic nervous systems to digestive system...
Khan Academy
Khan Academy: Helicobacter Pylori and the Gastrointestinal System
Practice questions related to helicobacter pylori and the gastrointestinal system.