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.

[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...

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

[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...

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...

Understand the structure and function human cardiovascular system.

Students can learn about the homeostatic regulation of the vascular system, and find out how exercise affects it.

Learn the anatomy of the human cardiovascular system.

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."

This comprehensive study guide covers the main terms and concepts needed for a unit on the circulatory system.

Short, colorful movies explain each of the body's systems: skeletal, cardiovascular, digestive, urinary, respiratory, endocrine, skin, immune, muscular, and nervous. Once you've seen the movie, click on the Activity Page link for...

A comprehensive guide to the various types of circulatory systems, including the vertebrate cardiovascular system, the vertebrate vascular systems, the heart, the vascular system, blood, the lymphatic system, learning objectives and...

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...

[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...

Heart rates can be determined by the amount of physical activity your body is engaging in. The more physically active you are, the faster your heart beats. You can measure the rate your heart is beating by taking your pulse. This science...

The Merck Manual describes the human heart and shows how the heart pumps blood. Includes interactive 3D models.

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

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!

A guide to the heart, lungs, and circulatory system, and surgical procedures of the heart. Includes many digital images. Lesson plans with pictures and video instructions are very helpful.

Designed for medical students, this site gives a detailed description of the sounds of the heart and lungs, including disorders, while playing read audio of those sounds with each description. Suitable for upper level high school...

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