This lesson focuses on the structures of carbohydrates, proteins, and lipids including defining terms, a brief discussion of what they do, and diagrams of each. It also provides a link to a test.

This site provides an in-depth look at the human gastrointestinal tract.

A brief glossary list of different parts of the digestive system.

This site gives five instructional units on organ systems: bodily defenses, digestion, detoxification, gas exchange, and coordination and control. Each unit is broken down into sections: "why does it matter," "how we know," "what we...

The young scholars will choose one of the systems of the human body, such as circulatory, respiratory, digestive, or nervous system, and imagine that they are inside it. They will write a description of what a journey through this system...

Three problem-solving detective games involve players in investigations of the effect of alcohol on the body's digestive, circulatory, and nervous systems.

Human beings are fascinating and complex living organisms-a symphony of different functional systems working in concert. Through a 10-lesson series with hands-on activities students are introduced to seven systems of the human...

With a focus on the appendix, this site explores, in a storybook format, the digestive system. The story involves a young boy with stomach pain which turns out to be appendicitis.

Throughout this unit you will learn the important role that our digestive system and respiratory system play with our nutrition. It contains 13 interactive activities.

Cystic fibrosis is defined and a summary of its symptoms is provided. Includes an explanation of sweat tests, blood tests, and CF's effects on the digestive, respiratory, skeletal, and reproductive systems.

This simulation explores the relationship between the amount of surface area in the small intestine and the rate at which it absorbs food particles into the circulatory system.

Free interactive practice tests, in Spanish, aid in learning the Human Skeleton, Human Skull, Digestive System, Respiratory System, and Venous System. Tests are timed and keep track of right and wrong answers.

Students can test their knowledge of the human body with these interactive games. Identify the parts of the body by dragging the terms to the appropriate boxes. Quizzes check knowledge on the skeleton, skull, digestive system,...

This lesson will introduce the 11 organ systems of the body, giving a brief overview of their function. It is 2 of 2 in the series titled "Organ Systems."

This lesson will introduce the 11 organ systems of the body, giving a brief overview of their function. It is 1 of 2 in the series titled "Organ Systems."

This resource provides a detailed description of both structure and function of the kidneys, the role they play in the urinary system, as well as provides information about kidney disease.

Wikipedia provides excellent resources and information on the gastrointestinal or digestive tract, including images and hyperlinked terms.

[Free Registration/Login Required] This informational text passage explains the process of food digestion. This passage is a stand-alone curricular piece that reinforces essential reading skills and strategies and establishes scaffolding...

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.

Find yummy recipes for food to make yourself! There are also articles about the reasons for vitamins and minerals, how to eat when you're playing sports, and a number of other important topics.

Test your understanding of the human body and all of its complexities with these interactive worksheets, games and quizzes.

[Free Registration/Login may be required to access all resource tools.] Covers the functions of the large intestine.

This site discusses the diet and digestion in all sorts of mammals, including herbivores, omnivores, and carnivores. Read about different kinds of animals and their different dietary preferences.

The anatomy of an earthworm is described and how it reproduces.