The digestive system is a group of organs (from the mouth to the rectum) that processes food so the body can use it. The following sites explain the process with illustrations and animations for all age groups.
Dr. Richard A. Bowen, biology professor at Colorado State University, presents an overview of the digestive system for high-school and college students.
For elementary grades, Enchanted Learning explains the digestive process, defines twenty-three digestive-system terms, and includes two printable handouts.
This digestive system tour is one of ten anatomy system animations at Innerbody.com.
"Even before you eat, when you smell a tasty food, see it, or think about it, digestion begins. Saliva (say: suh-lye-vuh), or spit, begins to form in your mouth."
Yucky turns science into fun by tackling the topics that elementary and middle-school kids like to laugh about: belches, farts, gurgly stomachs, poop and vomit.
Dr. Jonas Salk (October 28, 1914 - June 23, 1995) was an American research biologist who studied immunity, influenza, AIDS and polio.
Jonas Salk, M.D. was inducted into the Academy of Achievement in 1976.
The Jonas Salk Center, representing the family of Jonas Salk, offers free educational material for students, teachers and researchers.
What does every comic book need? An evil villain and a bigger-than-life hero. This online comic book (from PBS: Science Odessey) based on the true story of Dr. Salk, has them both.
The Salk Institute for Biological Studies was established by Dr. Salk in 1959 as a "crucible for creativity" where biologists could work together on cures and other important projects.
Follow the development of the polio vaccine ("the shot heard ‘round the world") with this timeline from the University of Pittsburgh School of Pharmacy.
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