Your Heart
What Does Your Heart Look Like and How Does It Work?
Learn more about your heart, inside and out.
How Does the Heart Beat?
Your heartbeat is triggered by electrical impulses that travel down a special pathway through your heart.
How Does Blood Flow Through the Heart?
For the heart to work well, your blood must flow in only one direction.
Your Coronary Arteries
The heart receives its own supply of blood from the coronary arteries.
Simple Clues to Your Heart
Standard and simple techniques to gain the first clues to your heart's function.
Your Blood Vessels
How Does Blood Travel Through Your Body
Learn about how the three main types of blood vessels: Arteries, Capillaries and Veins work together.
Your Aorta
The aorta is the large artery that carries oxygen-rich blood from the left ventricle of the heart to other parts of the body.
Illustrations of the Blood Vessels
Blood vessels are intricate networks of hollow tubes that transport blood throughout the entire body.
