This feature from the NOVA "Cut to the Heart" Web site 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.

Recommended for: Grades 6-8

This patient education program explains the signs of angina, the causes, treatment options, and how to prevent the serious diseases that angina may be a sign of. This resource is a MedlinePlus Interactive Health Tutorial from the National Library of Medicine, designed and developed by the Patient Education Institute.

This patient education program explains the signs of angina, the causes, treatment options, and how to prevent the serious diseases that angina may be a sign of. This resource is a MedlinePlus Interactive Health Tutorial from the National Library of Medicine, designed and developed by the Patient Education Institute.

This patient education program explains arrhythmia including the causes, symptoms, diagnosis, and treatment of the disease. This resource is a MedlinePlus Interactive Health Tutorial from the National Library of Medicine, designed and developed by the Patient Education Institute.

This patient education program explains arrhythmia including the causes, symptoms, diagnosis, and treatment of the disease. This resource is a MedlinePlus Interactive Health Tutorial from the National Library of Medicine, designed and developed by the Patient Education Institute.

This patient education program discusses the causes, symptoms, and treatment of atrial fibrillation. This resource is a MedlinePlus Interactive Health Tutorial from the National Library of Medicine, designed and developed by the Patient Education Institute.

This patient education program discusses the causes, symptoms, and treatment of atrial fibrillation. This resource is a MedlinePlus Interactive Health Tutorial from the National Library of Medicine, designed and developed by the Patient Education Institute.

This 15-minute video lesson provides an introduction to the circulatory system and the heart. [Biology playlist: Lesson 39 of 71].

The Biology Faculty is a new, free educational resource for secondary schools and especially those A-level students thinking about applying to University. We have a growing library of short, downloadable films of university lecturers speaking on topics from the A-level curriculum

Students will make a proportional model of blood out of red gelatin, a plastic bag, and rice. They will learn about the different components that make up blood and will investigate what happens when the arteries and veins experience buildup from cholesterol. They will then work in pairs to brainstorm ways to clean our clogged arteries.

Part of the circulatory system is composed of a series of tubes carries the vital elements and the wastes that keep us strong and healthy. Take a look at these amazing vessels and how they work together.

Students are introduced to the circulatory system, the heart, and blood flow in the human body. Through guided pre-reading, during-reading and post-reading activities, students learn about the circulatory system's parts, functions and disorders, as well as engineering medical solutions. By cultivating literacy practices as presented in this lesson, students can improve their scientific and technological literacy.

This Collection contains all the necessary background information you need to build an ECG that not only detects the heart rate but can also detect other heart abnormalities automatically. We include the circuit we used to build a three lead ECG as well as the LabVIEW and Matlab code we used.

explores Central Vermont's history using 43 historic places that recall past eras when numerous small villages grew slowly until the coming of the railroad, which resulted in a period of rapid growth for Vermont in the last half of the 19th century.

This patient education program explains congestive heart failure including heart anatomy, the causes, symptoms, diagnosis, treatment options, and lifestyle changes for managing this condition. This resource is a MedlinePlus Interactive Health Tutorial from the National Library of Medicine, designed and developed by the Patient Education Institute.

This patient education program explains congestive heart failure including heart anatomy, the causes, symptoms, diagnosis, treatment options, and lifestyle changes for managing this condition. This resource is a MedlinePlus Interactive Health Tutorial from the National Library of Medicine, designed and developed by the Patient Education Institute.

In this activity, students squeeze a tennis ball to demonstrate the strength of the human heart. Working in teams, they think of ways to keep the heart beating if the natural mechanism were to fail. The goal of this activity is to get students to understand the strength and resilience of the heart.

This patient education program reviews the anatomy of the heart and heart diseases to explain how echocardiograms work, why they are needed, and what to expect during an echo. This is a MedlinePlus Interactive Health Tutorial from the National Library of Medicine, designed and developed by the Patient Education Institute.

This video segment describes the basics of the circulatory system: how the heart pumps the blood that carries oxygen and nutrients throughout the body.