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.

The parts of the digestive system and how they function are explained. An interactive diagram shows the location of each part of the system, and summarizes what each does. Disorders of the digestive system are also described.

This site has a concise description of the digestive system with a nice diagram. The site also provides basic definitions of key parts.

Information about the digestive system, why digestion is important, how food is digested, and how the process is controlled. Includes a diagram of the body parts involved.

The digestive system is amazing: it takes the foods we eat and breaks them into smaller components that our body can use for energy, cell repair and growth. This lesson introduces students to the main parts of the digestive system and...

The main focus here is on the comparative anatomy of animals raised for meat. Beware of the photographs, as they are dissection photos.

Page focuses on the processes involved in the generation of monosaccharides and their absorption into the digestive tract. Image shows the transport of glucose across the intestinal epithelium.

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...

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.

The Animal Diversity Web offers a very good description of teeth in the digestive process of mammals. Covers the variety of teeth and links to discussions on a variety of teeth issues.

Detailed explanation of how food is broken down and metabolized in our bodies to be used for energy.

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.

Describes the human stomach in terms of its structural components.

With this module, students will be able to identify three main adaptations of the small intestine's wall that increase its absorptive capacity. Students will also trace the pathway of food waste from its point of entry into the large...

Students learn about the unique challenges astronauts face while eating in outer space. They explore different food choices and food packaging. Students learn about the engineering design process, and then, as NASA engineering teams,...

Describes anatomical features of a spider, including its external structure, eyes, mouth parts, digestive system, circulatory system, respiratory system, nervous system, reproductive system, and its spinnerets.

A good site that discusses the rate at which a bird's metabolism functions and its effect on the body temperature of the animal.

Students are immersed in an online environment that challenges them to solve the medical mystery: "What's Wrong with M'Kenna?" This resource includes the complete middle school science curriculum unit, a teacher's guide, and an online...

Description and illustration of the epiglottis.

Describes flatworm characteristics, including their physical features, types, nervous system, respiration, digestive system, and reproductive system.

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

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

A description of how food is absorbed and excreted in the large intestine.

This site from AquaScope talks about how big a whelk can get, the color, how they move, where the digestive and nervous systems are found.