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.

In this unit teachers will evaluate student's current understanding of the heart and circulatory system through a pre-assessment. They will develop group concept maps and then repeat the assessment. Teachers can compare their prior...

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...

After exercise, your heart rate increases, this is normal for everyone. However this experiment asks whether the recovery time for a heart's beating rate is faster for people who get regular exercise versus those that do not.

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

In this instructional activity, students will examine sheep or chicken hearts to learn about heart structure and the flow of blood through the heart.

Perform a virtual heart transplant in nineteen easy steps with this interactive feature from the NOVA: "Electric Heart" Web site. This interactive feature provides an in depth and realistic look at this procedure.

In this lesson students will understand the concept of circulation beginning at the heart, a complex pump that provides the initial force for blood flow through the body. Students will learn about the internal structures of the heart,...

In this lesson students are asked to compile a list of warning signs and symptoms of a heart attack, then they will view a video showing what happens immediately before, during and after a heart attack.

See how the human heart moves blood through the body in this animated feature from the NOVA: "Cut to the Heart" Web site.

In this activity students explore the human heart and circulatory system. To promote deeper understanding of key concepts, the activity also includes a procedure for observing preserved sheep hearts.

For this lesson, students can learn basic information about the human heart, including its role in circulation, and its external appearance.

Heart disease is the leading cause of death in the U.S. Learn about the different types of heart diseases, and what you can do to try to prevent them.

Guide to Carson McCullers' novel The Heart Is a Lonely Hunter, with historical information, author biography, discussion questions, and a ten-lesson unit of study including activities, homework assignments, project ideas, and essay...

In this project, water fleas (Daphnia magna), a semi-transparent freshwater crustacean, are used to study the effects of caffeine on heart rate. You do not have to learn how to take a crustacean's pulse though, because you can actually...

At this website, read Joseph Conrad's "Heart of Darkness."

This lesson contains background about the blood vascular system and the heart. Also, the different sizes of capillaries, veins, and arteries, and how they affect blood flow through the system. We will then proceed to talk about the...

This site provides in-depth information about congestive heart failure (CHF). The site asks and answers important questions to better educate the public.

A tutorial that explores the heart which is one of the most important organs for life! Learn all about the heart including the four chambers, pulmonary artery and veins, the aorta and the valves as you navigate through this tutorial. A...

Read a general overview of heart attacks and heart pain, including angina. Content includes information on the difference between stable and unstable angina, and the symptoms of a heart attack.

Learn about the role of heart valves in how your heart functions and what happens when one is defective.

Labeled diagram of the heart valves shows how blood flows through the heart with useful information on causes, symptoms. diagnosis, and treatment of valve disease when this blood flow is disrupted.

A general overview of defibrillation, a procedure where the heart is given an electric shock in an effort to restore normal function. Learn about how this treatment is performed and its importance in treating cardiac arrest.

Your heart beats and sends oxygen throughout your entire body. Find out how it works and how heart problems can be fixed.