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You Asked:
What makes the sound I hear when my stomach rumbles from being hungry? — Scott, Dagsboro, Delaware
Marshall Answered:
Digestion can be noisy. A doctor will often listen to your stomach with a stethoscope. Noise means that everything is OK. Your doctor is hearing the sounds of gases, liquids and food making their way through your digestive system because of muscle contractions in your stomach and intestines. Even when your stomach is empty, your brain can start up the muscle contractions to try to move any leftover stuff through the system, or simply to remind you to eat. For more details see: Why does my stomach growl?
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