Inner Body
Innerbody: Cardiovascular System
Take a look at the parts of the cardiovascular system including all of the major arteries and veins. Make sure to click on the interactive animation to find additional information.
Diffen
Diffen: Arteries vs. Veins
Find out about the basics of arteries and veins with this comparison chart. Then read the article, study the diagrams, and watch the video to learn more about blood vessels.
Treehut
Suzy's World: Heart
Find out why your heart beats and perform an experiment to see your pulse moving.
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.
Curated OER
Kids Health: Heart and Circulatory System
With this resource, visitors can learn how the heart works and about the parts of the heart, the circulation of blood and heart health. The resource is also available in Spanish. Includes audio.
PBS
Pbs Learning Media: Amazing Heart Facts
This feature from the NOVA: "Cut to the Heart" highlights facts about the heart, including its size and placement, and will help you to understand the importance of this wondrous organ in our bodies.
Yale University
Yale New Haven Teachers Institute: The Circulatory System
A detailed overview of the circulatory system, including plasma and proteins. Designed as lesson plans, this site can be helpful for students as well.
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.
Curated OER
Kids Health: Heart and Circulatory System
The circulatory system and how it functions are explained. An interactive diagram shows how blood flows through the heart. Disorders of the heart and the circulatory system are also described.
South Carolina Educational Television
Etv: Kids Work! History of Medicine
A brief history of medicine told in five snapshots of time: ancient times, the Middle Ages, the Renaissance, the early modern period (eighteenth and nineteenth centuries), and modern times.
E-learning for Kids
E Learning for Kids: Science: Easter Island: What Makes Up Our Circulatory System?
Help Atua learn how our blood works, and what our circulatory system has to do with this.
PBS
Pbs Nova Online: Amazing Heart Facts
This concise PBS NOVA site contains interesting facts about the heart and how it works.
PBS
Nova Online: Map of the Human Heart
This PBS site has a concise explanation of how the heart works. There is also a moving diagram of a working heart.
University of Utah
University of Utah: Cardiovascular Pathology Index
This site features a detailed index of photographs for cardiovascular pathology. You can see what a normal human heart looks like and what a sick one looks like too. Come and check it out.
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.
Biology 4 kids
Biology4 Kids: Quiz: Circulatory Systems
Take this ten-question review quiz over the circulatory systems of animals. Read more about each question after an incorrect answer is given.
The Franklin Institute
The Franklin Institute Online: The Structure of the Heart
Description of the structure of the heart including the valves.
McGraw Hill
Glencoe Biology: Circulatory System: Self Check Quiz
Five multiple-choice quiz questions covering the human circulatory system. Students have the opportunity to check their answers after submitting their results.
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.
Science Museum of Minnesota
Lesson Plan: Lub Dub (Valves)
In this concise site, students investigate the source of the sounds of the heart. Contains related connecting links.
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.
Curated OER
Educational Technology Clearinghouse: Clip Art Etc: William Harvey
William Harvey discovered that blood circulates through the body in 1628.
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.
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