The stomach lining is made of mucous and if it gets eaten away by the stomach acid too quickly it can result in to health problems.
It's a mucous layer that protects the stomach.
Also allows acid created to not effect or destroy the stomach itself.
smooth muscle
Yes, your stomach is lined with mucus. The chemicals the stomach secretes (i.e., pepsin) are designed to digest protein. But your stomach walls are also made of protein! The mucus coats the lining of your stomach so the chemicals do not destroy the lining.
stomach
stomach
Smooth muscles
Mucus to be less specific
Smooth muscles
The Stomach
it lined with mucus to help digest the food chemically and to keep the stomach from acid
The stomach which is lined with ridges called Rugae the small intestines, lined with vili and micro-vili
Hormones do not have anything to do with a grumbling stomach. The stomach walls are lined with muscle that contracts and expands all on it's own. Any food and liquids in the stomach cause grumbling noises as the stomach walls expand and contract.
They do (as do stomach acids {even faster & better}), but slowly as the stomach is lined (coated) with mucus, which "prevents" physical contact.