Digital illustration of human digestive system and microscopic images of bacteria. — Stock photos

"Digital illustration of human digestive system and microscopic images of bacteria." is an authentic stock image by ScienceRF. It’s available in the following resolutions: 1600 x 1015px, 2600 x 1650px, 6000 x 3808px. The minimum price for an image is 49$. Image in the highest quality is 6000 x 3808px, 300 dpi, and costs 449$.