Human heart circulatory and electrical system, 3d illustration. Cross section of the heart showing the ventricles and valves, and the electrical (conduction) system (yellow lines) and circulatory system (red and blue lines). — Stock photos

"Human heart circulatory and electrical system, 3d illustration. Cross section of the heart showing the ventricles and valves, and the electrical (conduction) system (yellow lines) and circulatory system (red and blue lines)." is an authentic stock image by ScienceRF. It’s available in the following resolutions: 1600 x 480px, 2600 x 780px, 9740 x 2922px. The minimum price for an image is 49$. Image in the highest quality is 9740 x 2922px, 300 dpi, and costs 449$.