[Free Registration/Login may be required to access all resource tools.] Discusses classes of nutrients and their functions in the human body.

This problem set is based on a question received from a woman with red-green color blind as well as other members of her family. She wanted to know if we could help her understand how she inherited her color blindness.

Thirty six question quiz tests the users knowledge of the main bones of the body.

Online exhibition that features the accomplishments of women doctors, many who have changed the face of medicine and served as role models for women today. Includes learning activities, games, and lesson plans showing how the human body...

Rotatable view of the nervous system lets you examine the anatomy of the brain in 360 degrees.

This web-based simulation demonstrates potential spread of HIV through a population. Each participant exchanges virtual body fluids with other participants, some of whom are HIV positive. A computer-simulated ELISA will illustrate the...

Explains what nickel is, ways it is used, how it is produced, how it gets into the environment and into our bodies, and the health effects of exposure to nickel. Also discusses how to reduce the risk of exposure. Has links to additional...

This site is provided for by the American Forum for Global Education. Exploration of body parts is the format used to teach the economic concept of interdependence to primary learners.

Online presentations on more than 150 health topics, diseases, and conditions, from acne to viruses. Each plays as a slide presentation, with sound, that you can control or set to autoplay. Time varies from 5-20 minutes. Available in...

This site from the Department of Chemistry at the Washington University provides a deetailed study of the role of hemoglobin in blood physiology. The article is somewhat in-depth, complete with pictures, charts, and a bibliography.

Understand the human body's sense of touch.

Understand the structure and function of a nerve cell, and how messages are transmitted throughout the human body.

An overview of malaria and the types of Plasmodium that is carried by the Anopheles mosquito infecting red blood cells and liver cells in the human body. Symptoms of malaria are also discussed.

[Free Registration/Login may be required to access all resource tools.] The blood vessels are an important part of the cardiovascular system. They connect the heart to every cell in the body. Arteries carry blood away from the heart,...

Learn about how and where tigers live when you explore this resource. You can also investigate how tigers communicate with each other, enemies, friends, and humans through this site.

41 question quiz relates to medical terms associated with the axial and appendicular skeleton.

Exercise challenges the player to correctly name the superficial skeletal muscles from both the anterior and posterior views.

Users will test their knowledge of the anatomy of the skin by taking this 13 question quiz.

An online quiz with nine questions about the chemistry of the human body and of other life. Has ads, which may be distracting.

Biology is a natural science that deals with living things. Like other areas of science, biology is divided into several subcategories. See them here from A to Z.

The human immune system has various ways of responding to an infection caused by bacteria or viruses. Our bodies produce proteins (antibodies) that are highly specific for the infectious agent as a part of our "humoral" immune response....

Article describing the scope of the problem of overfishing in the ocean and in fresh water bodies around the world. Adverse effects of this practice on both natural and human systems, and efforts to contain it are detailed. (Published:...

Concussions and head injuries are the buzz in sports today. Address concussion and head injuries in the classroom and provide students resources to research and report on findings.

Learn about the Sirens, sea nymphs with the power to seduce sailors with their singing. See the pictures and read about Odysseus experience with them.