AMA Atlas: A good site having general information about the human body.

The Brain: Harvard Med School´s website with lots of info about the brain and brain disorders.

At Sea: Visit this site for information about oceanography. This week - Sharks!

Bats: This site has some interesting and little known information about the only flying mammal!

Biomed Net: A site loaded with information about biology and related medical issues.

Howard Hughes Medical Institute: A site with information and news about health and medicine.

The Skull: A nice site with good graphics to help you study the bones of the skull.