Structure of alveoli of human lungs — Stock photos

"Structure of alveoli of human lungs" is an authentic stock image by ScienceRF. It’s available in the following resolutions: 1600 x 1600px, 2600 x 2600px, 4200 x 4200px. The minimum price for an image is 49$. Image in the highest quality is 4200 x 4200px, 300 dpi, and costs 449$.