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Chapter 30: Nutrition and Digestion Links

Most of the digestion-related Web sites deal with digestive disorders or nutritional information. Although not included as destinations on this list (because they are covered in more detail in Chapter 32, "Chemical Control of the Animal Body"), many endocrinological sites relate to nutrition and metabolism (concerning the thyroid, pancreas, and adrenal glands, to name a few).

Caffeine

At this site you will find an interesting comparison of the amounts of caffeine in various foods, such as chocolate, tea, coffee, and pain relievers. There is also a description of the effects of caffeine on the body.

Food and Drug Administration Home Page

This site is the home page of the Food and Drug Administration (FDA). You could spend all day reading all sorts of interesting topics, but click on "Foods." This icon takes you to a variety of links about vitamins, food labeling, dietary supplements, and foodborne illnesses. This is a really informative place!

2) How Is Digestion Accomplished?

Comparative Anatomy Chart

At this site, scroll down to find a chart that compares the digestive systems of earthworms, frogs, snakes, sharks, perch, pigeons, and pigs.

The Digestive System

Visit this site for a tour through the digestive system. The structure and function of the various digestive organs are presented along with basic digestive function. You will also find presentations on the special digestive adaptations of birds and herbivores.

3) How Do Humans Digest Food?

Bacteria Cause Ulcers? You're Kidding!

Check out this site to learn about Helicobacter pylori, a bacterium that has been found to cause the vast majority of ulcers in humans.