Self-guided learning activity where students learn about the structure and function of the human digestive system. There is a short quiz at the end of the lesson to check for understanding.

Describes the human stomach in terms of its structural components.

In this lesson and lab activity, young scholars learn about digestion and fermentation, and watch a demonstration of cellular respiration in yeast. Includes numerous real-world connections, e.g., how fermentation is used by humans.

This interactive site provides animations and activities in several areas of physiology. The images are simple, but clear. The accompanying text provides a good description of the process being shown.

A concise description of the functions of the large and small intestine along with information on the length of each.