[Free Registration/Login may be required to access all resource tools.] Covers the major organs and general functions of the digestive system; the digestive functions of the mouth, esophagus, and stomach; and how digestion and absorption...

This comprehensive study guide covers the main terms and concepts needed for a unit on the digestive system.

[Free Registration/Login may be required to access all resource tools.] The mouth and stomach are just two of the organs of the digestive system. Other digestive system organs are the esophagus, small intestine, and large intestine....

Learn the structure and function of the human digestive system organs.

An informational article on every aspect of "throwing up" for kids. Contains links to the contents of puke and to other pages with more information on the subject.

In this lesson plan site, you will "Learn the external and internal anatomy of the earthworm, understand the structure and function of external and internal organs, know the digestive, circulatory, reproductive, and nervous system, and...

Study all about the biology of the body's specialized tissues called organs. Also organ systems including nervous, digestive, respiratory, endocrine, and circulatory on this site.