Borborygmus A rumbling or gurgling noise made by the movements of fluids and gas in the intestine. The abdominal sounds you hear are most likely related to the movement of food , liquid, digestive juices, and air through your intestine. ⬇️ When your intestine process food, your stomach may grumble or growl. ⬇️ The walls of GIT mostly made up of muscles. ⬇️ Hunger can also be the cause of these sounds