PBS
Nova Online: Troubled Hearts
This site contains pictures of hearts that have some type of problem such as narrowing of the arteries and muscle damage from a heart attack. There is also a terrific picture of the coronary artery system that supplies the heart.
Texas Heart Institute
Texas Heart Institute: Anatomy of the Human Heart
Take an interactive tour of the human heart. Click on each part of the illustration to read more information about each structure.
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.
CK-12 Foundation
Ck 12: Fourth Grade Science
This customizable digital textbook covers topics related to fourth-grade science. It is Next Generation Science Standards (NGSS) aligned.
Curated OER
Kids Health: Blood
This comprehensive site from Kids Health provides an indepth look at the characteristics of blood, its functions, and its importance. This site is a great starting point for understanding blood. Also includes links to similar sites.
CK-12 Foundation
Ck 12: Biology: Heart
[Free Registration/Login may be required to access all resource tools.] Describes how the heart pumps blood throughout the body.
CK-12 Foundation
Ck 12: Life Science: Blood Pressure
[Free Registration/Login may be required to access all resource tools.] The health of your whole body depends on the good health of your cardiovascular system. One measure of the health of your cardiovascular system is blood pressure....
Texas Heart Institute
Texas Heart Institute: Heart Information Center: Pacemaker
Article on arrhythmias with information about the heart's pacemaker.
Science Bob Pflugfelder
Science Bob: Body Zone: The Heart
An introduction to the different regions of the heart, along with a description of the hearts function. A good overview site.
Science Bob Pflugfelder
Science Bob: Body Zone: The Lungs
An introduction to the form and function of the lungs, including the bronchioles and alveoli.
Treehut
Suzy's World: Blood
Use this site to find out why your body needs blood with this quick fact sheet. You can also try an experiment with your pulse.
Curated OER
Kids Health: Tu Corazon Y Sistema Circulatorio
Read about how your heart works and learn about the different parts of the heart.
University of Arizona
The University of Arizona: Pressure and Blood Flow
Article that explains what two things control our blood pressure. Part of a larger page on Mathematics and Blood Flow. Includes a quiz on pressure difference and resistance at bottom of the page.
The Association of the British Pharmaceutical Industry
Abpi: Heart and Circulation
A complete, self-paced lesson on the heart and circulation. Students work their way through illustrations and animated tutorials, and answer review questions along the way. There is a self-checking quiz at the end of the lesson.
Science Museum, London
Making the Modern World: What Is Stress?
This website gives an overview of stress, its causes, and the physical and psychological results. Case studies and a glossary are included.
Other
Cartage.org: Abnormal Circulation
Causes of heart failure, signs and characteristics of heart failure, pathologic conditions resulting in heart failure, and more are the topics addressed in this thorough resource.
Texas Heart Institute
Texas Heart Institute: Heart Information Center: Anatomy of the Heart
One-page overview containing a detailed labeled diagram of the anatomy of the heart including the valves, conduction system, and circulatory system.
CK-12 Foundation
Ck 12: Life Science: Muscles and Exercise
[Free Registration/Login may be required to access all resource tools.] Regular physical exercise is important in preventing lifestyle diseases such as cardiovascular disease, some types of cancer, type 2 diabetes, and obesity. Regular...
Other
Vitamin C Content of Fruit
This article talks about the vitamin C content in fruits. Learn how ripening and storage affect vitamin C, what the recommended daily allowance (RDA) for vitamin C is, and how vitamin C affects the human body.
PBS
Pbs Teachers:scientific American: Affairs of the Heart: Exploring Vessel Physics
Explore the relationship between pressure and vessel diameter and create a model that represents how elevated blood pressure may affect weakened vessels. Design and critique a repair device.
Mayo Clinic
Mayo Clinic
A comprehensive resource for timely and accurate medical information from experts at Mayo Clinic. Content includes information on almost all diseases and conditions, a guide to healthy living, first-aid and self-care information.
Other
Vitamin C and Vascular Disease
How can vitamin C help prevent heart problems and improve the health of those who already have vascular disease? Which animals are unable to produce their own vitamin C? How does vitamin C deficiency affect the body? Learn the answers to...
CNN
Cnn: Patient Gets 1st Totally Implanted Artificial Heart
In July 2001, a major advancement in medical science was made. Find out about the first completely implanted artificial heart that totally replaced the function of the human heart. Read about what the AbioCor is and view a video on the...