There are a few things to keep in mind when using ngApp: 1  only one AngularJS application can be auto-bootstrapped per HTML document. 2  AngularJS applications cannot be nested within each other.  Do not use a directive that uses transclusion on the same element as ngApp.
The esophagus is the tube that carries food, liquids and saliva from your mouth to the stomach. You may not be aware of your esophagus until you swallow something too large, too hot or too cold. You may also become aware of it when something is wrong.
Esophagus â Digestive System. Upper esophageal sphincter is a muscle bundle at the beginning of the esophagus. This muscle is in use when breathing, eating, belching, and vomiting. Immediately, when swallowing the upper esophageal sphincter opens to allow the bolus (masticated food) to pass into the esophagus.hat is Esophagus? A magic tube connecting the mouth to stomach, its help moves the food from the mouth to stomach and stops reverse motion from the stomach.