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.

This article serves an as introdution to the digestive system.

Have you ever eaten ice cream then started feeling really yucky? Kids with lactose intolerance have trouble digesting a type of sugar found in milk and other dairy foods. Learn what this condition is and how you can learn to live with it.

This article, written for younger readers, explains cystic fibrosis (CF), an inherited disease that causes the body to produce mucus that's extremely thick and sticky.

This is an in-depth discussion on how the urinary system works. Also includes information about what can go wrong in the urinary system and how someone can get help.