How do the coronary arteries supply blood to the heart?

Your heart requires its own system of blood and oxygen, which is supplied through a network of vessels known as the coronary arteries. These vessels originate at the aorta and run across the surface of the heart.

The right coronary artery supplies blood to the right side of the heart and to a portion of the back side. Two of the major vessels off the left main coronary artery are the left anterior descending (LAD) and the circumflex. The LAD provides blood and oxygen to the front of the heart and to the bulk of its muscle tissue, while the circumflex supplies the left wall and part of the back of the heart.

Continue Learning about Heart and Circulatory System

Heart and Circulatory System

Heart and Circulatory System

Your circulatory system is made up of your heart and three main types of blood vessels -- arteries, veins and capillaries. Your heart is at the center of the system, acting as a pump to distribute nutrient- and oxygen-rich blood t...

hrough your body; it then takes away carbon dioxide and other waste your body doesn't need. Signs of poor circulation include cold hands and feet, numbness, dizziness, migraines, varicose veins and pain in your feet or legs. Untreated, poor circulation can lead to stroke, high blood pressure, kidney damage and other diseases. Learn more about your heart and circulatory system with expert advice from Sharecare.

Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.