Untamed Science
Untamed Science: Biology: Human Biology: Circulatory System
Read and watch how the blood, the heart, and the blood vessels keep the blood flowing through our bodies. [6:00]
American Academy of Family Physicians
Family doctor.org: Peripheral Arterial Disease and Claudication
This article provides information about peripheral arterial disease and claudication (poor circulation) and related health problems it.
BBC
Bbc: Gcse Bitesize: Cellular Respiration and Transport
The circulatory system transports substances between the exchange surface and cells. It delivers oxygen and glucose to the tissues for respiration, which is the release of energy to cells.
CK-12 Foundation
Ck 12: Life Science: Cardiovascular System
[Free Registration/Login may be required to access all resource tools.] Your cardiovascular system has many jobs. At times the cardiovascular system can work like a pump, a heating system, or even a postal carrier. To do these tasks,...
BBC
Bbc: Gcse Bitesize: Cardiovascular System
A great overview of the Cardiovascular System, its structure and functions. See diagrams of the heart, and learn how the blood flows through the heart.
CK-12 Foundation
Ck 12: Biology: Circulatory System Study Guide
This comprehensive study guide covers the main terms and concepts needed for a unit on the circulatory system.
BioEd Online
Bio Ed Online: Microgravity
In this lesson students will use water balloons to simulate the effects of gravity and microgravity on fluid distribution in the body.
Biology Pages
Kimball's Biology Pages: Animal Circulatory Systems
This page has information on different types of animal circulatory systems. Scroll to the bottom of the page to find out about mammals.
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.
North Central Regional Educational Laboratory
Kids learn.org: Circulatory System
What do you know about the circulatory system? This site features several links to help you increase your knowledge of this fascinating human body system.
North Central Regional Educational Laboratory
Circulatory System Internet Workshop
This site features a circulatory system internet workshop focused on diseases and healthy living. Students and teachers will benefit from the resources linked to this site.
Nature Research
Nature Education: Studying and Projecting Climate Change
A model organizes what we think we know about something in order to predict how it might behave in the present, future, or past as well as how it might respond to external influence. Models are especially useful when direct, controlled...
Curated OER
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William Harvey, doctor during the Age of Enlightment, challenged mainstream understanding of the heart and the circulation of blood. Read about his early education and his scientific inquiry.