belch

abdomen ache acid acidity acids anatomy backgroundcartoon bad belch belching bloating body bosom breathe burning burns burp burping care chest chronic digestive disease eating esophagus fat flatulence food gastric gastritis gastroenterology gastroesophageal gerd healthy heartburn human ill illustration image isolated medicine men obesity old organ pain problem reflux senior sensation sick sickness sitting sphincter stomach stool stress symptom symptoms system white with