Heart, Anatomy

Model Of The Superficial Anatomy Of The Heart Of An Adult Human Body Anterior View. The Heart Contains Four Cavities: Two Atriums In Its Upper Part, And Two Ventricles In Its Lower Part. The Atriums Are Covered Anteriorly By The Auricles In Grayish White, Which Increase Their Blood Capacity. The Ventricles In Light Orange Have Superficial Grooves The Sulci, In Amber Yellow, That Contains Fat And The Coronary Circulation, Feeding The Heart Muscle. At The Boundary Between The Right Atrium And Ventricle, The Coronary Sulcus Receives The Anterior Cardiac Vein In Royal Blue And The Right Coronary Artery In Red. In The Anterior Interventricular Sulcus, Which Marks The Boundary Between Both Ventricles, Lie The Great Cardiac Vein In Royal Blue And The Anterior Interventricular Branch Of Left Coronary Artery In Red. The Superior Vena Cava In Royal Blue, In The Background Brings The Deoxygenated Blood To The Heart, Which Propels It To The Lungs Via The Pulmonary Trunk In Royal Blue, In The Foreground. The Oxygenated Blood Is Next Sent Back From The Heart To The Whole Body Through The Arch Of Aorta. (Photo By BSIP/UIG Via Getty Images)