* The fermentation process produces 1-2 litres of gas each minute which is eliminated via the [[Oesophagus - Anatomy & Physiology|oesphagus]] by [[Eructation - Anatomy & Physiology|eructation]]. | * The fermentation process produces 1-2 litres of gas each minute which is eliminated via the [[Oesophagus - Anatomy & Physiology|oesphagus]] by [[Eructation - Anatomy & Physiology|eructation]]. |