Skip to Content
Home > Health Information > Health Library > Normal Heart
These pictures show the heart from the front. The right side of the heart is on the left side of the heart pictures. The left side of the heart is on the right side of the pictures.
Your heart has four separate chambers that pump blood. The chambers are called the right atrium, right ventricle, left atrium, and left ventricle. The right and left sides of the heart are separated by a muscular wall that prevents blood without oxygen from mixing with blood that has oxygen. The heart also has valves that separate the chambers and connect to major blood vessels.
Your heart is divided into two separate pumping systems, the right side and the left side.
The right side of your heart receives oxygen-poor blood from your veins and pumps it to your lungs, where the blood picks up oxygen and gets rid of carbon dioxide. The left side of your heart receives oxygen-rich blood from your lungs and pumps it through your arteries to the rest of your body.
Blood travels through your heart and lungs in four steps:
Current as ofJuly 22, 2018
Author: Healthwise StaffRakesh K. Pai, MD - Cardiology, ElectrophysiologyMartin J. Gabica, MD - Family MedicineAdam Husney, MD - Family MedicineStephen Fort, MD, MRCP, FRCPC - Interventional Cardiology
Current as of:
July 22, 2018
Medical Review:Rakesh K. Pai, MD - Cardiology, Electrophysiology & Martin J. Gabica, MD - Family Medicine & Adam Husney, MD - Family Medicine & Stephen Fort, MD, MRCP, FRCPC - Interventional Cardiology
To learn more about Healthwise, visit Healthwise.org.
© 1995-2018 Healthwise, Incorporated. Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated.
Our interactive Decision Points guide you through making key health decisions by combining medical information with your personal information.
You'll find Decision Points to help you answer questions about:
Get started learning more about your health!
Our Interactive Tools can help you make smart decisions for a healthier life. You'll find personal calculators and tools for health and fitness, lifestyle checkups, and pregnancy.
Feeling under the weather?
Use our interactive symptom checker to evaluate your symptoms and determine appropriate action or treatment.
See important information from Billings Clinic on Non-discrimination and Interpreter Services.
Billings Clinic is proud to be an equal opportunity/affirmative action (EOE/AA) e-verify employer.