Definition

How Your Heart Works - Animation

Choose a preferred language

Your heart is responsible for delivering blood to all parts of your body. It supplies oxygen and other nutrients where needed.

Date Last Reviewed: 07/01/2021

© 2000-2026 The StayWell Company, LLC. All rights reserved. This information is not intended as a substitute for professional medical care. Always follow your healthcare professional's instructions.
Related Articles
Read article
Heart Health
What is Heart Failure?

Watch this video to learn how the heart muscle weakens with heart failure, and how heart failure affects your body.

Read article
Heart Health
Changing Your PICC Line Dressings

Watch how and when to safely change and throw away soiled dressings, and how to recognize signs of infection at the insertion site.

Read article
Heart Health
Symptoms of a Heart Attack

Watch this to learn the most common symptoms of a heart attack for both men and women so you can quickly get help.

Read article
Heart Health
Anatomy and Function of the Heart Valves

Detailed anatomical description of the heart valves, including simple definitions and a labeled, full-color illustration.