3d of the stomach showing the interior doing the digestion with gases.

acidity antacid arrow background belching blue body bright bubbles cropped crystal digestion doing effervescent empty emptying esophagus exterior flat flatulence food gas gases graphic ground hollow human illustration image indigestion inflated inside interior isolated liquid medication methane mouth movement pesaded pink pointing red reflux relief rendering representation resting rise section semi shadow showing silhouette spheres stomach transparent volume white yellow