The Basics

The heart is a muscular organ that pumps blood throughout your body. It is positioned behind the lungs, slightly to the left side of the chest. Your heart is a bit larger than the size of your fist. Let's examine the structures of the heart and learn how blood travels through this complex organ.

Your heart is the muscular powerhouse that beats day and night to pump blood through your body. Let's take a moment to learn more about this vital organ.

A cardiologist is a doctor who specializes in care of the heart and blood vessels. They treat a wide range of conditions. They also help you lower your risk for disease.