Curated OER
Medical Illustration of the Human Heart
Fact Monster offers a brief summary of the human circulatory system, its organs, and function.
Curated OER
Kids Health: Tu Corazon Y Sistema Circulatorio
Read about how your heart works and learn about the different parts of the heart.
Other
Digital Frog: Frog Circulation
A digital diagram from Digital Frog of the circulatory system of a frog. Very nice, and very fake since it is not a real frog.
Other
Hillfield Strathallan College: Evolution of Mammalian Circulation
An overview of the evolution of modern mamallian circulation. This is a good site since it puts the circulation found in reptiles in perspective. Compares it to systems in fish and mammals.
Khan Academy
Khan Academy: What Is a Stroke?
This resource from Khan Academy provides information about strokes.