Sophia Learning
Sophia: Animals: Human Digestive System: Lesson 1
This lesson provides an overview that explains the processes of digestion in humans. It is 1 of 4 in the series titled "Animals: Human Digestive System."
Exploring Nature
Exploring Nature Educational Resource: Digestive System
A collection of illustrated fact sheets and activities on the parts of the human digestive system.
University of Kansas Medical Center
University of Kansas Medical Center: Gastrointestinal System
Investigate the human gastrointestinal system with this extensive collection of microscopic specimens.
University of Minnesota
University of Minnesota: Anatomy Image Bank
Hundreds of anatomy diagrams for classroom or medical use. Each image represented is a simple black-and-white professional drawing of a specific part of the human body.