[Free Registration/Login may be required to access all resource tools.] There are many risk factors that can cause a person to develop cardiovascular disease. A risk factor is anything that is linked to an increased chance of developing...

[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,...

This lesson provides an overview that explains the cardiovascular system in humans. It is 1 of 4 in the series titled "Animals: Human Cardiovascular System."

This pathway is designed to introduce you to body system called the cardiovascular system. You will learn what the cardiovascular system is, what it does and what organs and other structures it is composed of.

Learn the anatomy of the human 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.

The significance of the cardiovascular continuum is its emphasis on prevention. By treating risk factors that occur early in the cardiovascular continuum, like hypertension, diabetes, high blood fat levels, and smoking, it may be...

Students learn about the heart and its role at the center of the human cardiovascular system. In the associated activity, students play out a scenario in which they are biomedical engineers asked to design artificial hearts. They learn...

This lesson provides an overview that explains the cardiovascular system in humans. It is 2 of 4 in the series titled "Animals: Human Cardiovascular System."

This lesson provides an overview that explains the cardiovascular system in humans. It is 3 of 4 in the series titled "Animals: Human Cardiovascular System."

This lesson provides an overview that explains the cardiovascular system in humans. It is 4 of 4 in the series titled "Animals: Human Cardiovascular System."

A downloadable PDF comic booklet with information on how to prevent heart disease and promote healthy hearts.

A downloadable PDF comic book in Spanish with information on how to prevent heart disease and promote healthy hearts.

[Free Registration/Login may be required to access all resource tools.] A cardiovascular disease (CVD) is any disease that affects the cardiovascular system. But the term is usually used to describe diseases that are linked to...

[Free Registration/Login may be required to access all resource tools.] The lymphatic system is a network of vessels and tissues that carry a clear fluid called lymph. The lymphatic system works with the cardiovascular system to return...

[Free Registration/Login may be required to access all resource tools.] Covers the pathways of the pulmonary and systemic circulations.

A video lesson explaining the structure and function of the human body's major organ systems. [5:58]

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.

This page has information on different types of animal circulatory systems. Scroll to the bottom of the page to find out about mammals.

This site is produced by John W. Kimball, a retired biology teacher who wrote the textbook that these pages came from. The excerpt explains the different parts of the circulation system and how they function. Includes great pictures!

Learn about the three basic layers of the vascular system by examining cell and tissue specimens from those layers.

[Free Registration/Login may be required to access all resource tools.] In the following online tutorial students will begin to understand and define cardiovascular disease, and list its risk factors.

Access Excellence offers detailed information, including diagrams and photos, about the anatomy of the heart and its central role in the circulatory system.

WebMD offers information on congenital heart disease, including types, symptoms, diagnosis, and treatment.