Learn about your body system

Understanding your digestive system

http://www.health.com/health/library/mdp/0,,hw371116,00.html

http://www.coloplast.com/UrologyAndContinenceCare/Topics/BasicInfo/Pages/AnatomyBowelProblems.aspx

http://digestive.niddk.nih.gov/ddiseases/pubs/constipation/

http://www.ehow.com/about_5110166_causes-white-stools.html

The Human Body

http://en.wikipedia.org/wiki/File:Surface_projections_of_the_organs_of_the_trunk.png