Large and Small Intestine, gut microflora. Bacteria, germs or virus cells in stomach colon isolated on white background. Digestive tract, system or alimentary canal. Vector illustration. Flat design Shutterstock Image - Large and Small Intestine, gut microflora. Bacteria, germs or virus cells in stomach colon isolated on white background. Digestive tract, system or alimentary canal. Vector illustration. Flat design - ID: 644583937