This feature from the NOVA: "Cut to the Heart" highlights facts about the heart, including its size and placement, and will help you to understand the importance of this wondrous organ in our bodies.

Self-guided learning activity where students learn about the functions, processes, and anatomy of the human body. There is a short quiz at the end of the lesson to check for understanding.

A stress echocardiogram can help a doctor see how the heart responds to exercise. This tutorial explains how the test works and its risks and benefits.

[Free Registration/Login may be required to access all resource tools.] Describes how muscles contract according to the sliding filament theory.

This comprehensive page discusses the Asteroid Impact vs. Volcano-Greenhouse dinosaur extinction debate. It was written by paleontologist, professor, and scientist Dr. Dewey McLean.

At this site from the Nobel e-Museum you can download and read Paul Ehrlich' Nobel Lecture, "Partial cell functions," originally given December 11, 1908. The lecture is available in PDF format.

This site from the Nobel eMuseum of the Nobel Foundation allows you to read Robert Koch's Nobel Lecture, "The current state of the struggle against tuberculosis," which was originally given by Koch on December 12, 1905.

Technical but fascinating Classics Technology Center site gives evidence from papyri, art, and burial remains about the medical abilities and advancements of ancient Egypt. Includes reports of polio and tuberculosis.

At this site from The Nobel Foundation you can read about Frederick Grant Banting's work in the medical field, specifically his discovery of insulin, a discovery which earned him the 1923 Nobel Prize, a prize he shared with John James...

A very good explanation of the processes of water transport in plants. Includes graphics that accompany this very detailed explanation.

A very good overview of the hormonal control of plant responses to different environmental cues. Good place to start research.

This lesson plan site focuses on the changes that adolescents go through and delves into their nutritional, physical, and mental health needs.

This essay by exercise physiologist Patti Finke and fitness consultant Warren Finke describes the process by which our bodies transform food energy into energy that our cells can use.

This site from the University of Washington is a good site that describes the steps in the process to create nerve transmission. A good page.

Read about how PCP affects the behavior and mindset of those who use it. This website includes pictures and simple charts, making it ideal for students of all ages wanting to learn more about this hallucinogenic drug.

A good overview of the development of plants. Includes a section on the dormancy of plants that covers the basics.

The Iowa State University provides a good description of the development of an important crop plant. The overview compares favorably with the development of any plant.

A good description of the process of transmission across the synapse in nerve cells.

Descriptions of various research projects using marine organisms that have direct impact on medical research. The resource has a perspective on how medicine makes progress.

The Dinosaur Museum is located in Blanding, Utah. Use this site to learn all about the exhibits and dinosaur information.

Take a step back in time to see the human body and the field of medicine through the looking glass of history. Experience a different kind of representation of our internal anatomy, and learn about the history of human dissection.

Can the age of horses be determined by looking at their teeth? Yes it can and this competent site explains how to do it.

Discover Francis Crick, British molecular biologist, physicist, and neuroscientist who jointly won a Nobel Prize for his discoveries concerning the molecular structure of nucleic acids.

Find out about the scientist George Beadle, who helped discovered how genes played a part in the regulation of biochemical events.