|An animation of a typical human red blood cell.|
Wikipedia: Blood – Explains what blood is, its function, and parts. This site has information about Red Blood Cells as well.
HowStuffWorks: How Blood Works – What makes up blood? How does the body make blood? Find out in this article. Scroll through the pages with the arrows on the top and bottom of the article.
The Franklin Institute: Your Living Blood – Information includes: It’s Alive, Blood Vessels, Red & White Blood Cells, All About Scabs, What types: What’s the Difference? and other topics.
America’s Blood Center: What is Blood? – Infographics explain how blood works.
University of Rochester Medical Center: What Are Red Blood Cells? – What are red blood cells?, Red Blood Cells At Work, Nutrition and Red Blood Cells, and Illnesses of the Red Blood Cells.
Naval Medical Center Portsmouth: Blood Bank: Virtual Tour – Short picture tour.
Giving Blood: History of Blood Banking – Timeline history of blood baking from c. 2500 BCE – 1999
*An animation of a typical human red blood cell cycle in the circulatory system. This animation occurs at real time (20 seconds of cycle) and shows the red blood cell deform as it enters capillaries, as well as changing color as it alternates in states of oxygenation along the circulatory system.