The Pyloric Sphincter Prevents Food and Gastric Juice from Backing

Question

The pyloric sphincter prevents food and gastric juice from backing up into the esophagus.

Accepted Answer

The pyloric sphincter is located at the bottom of the stomach and regulates the flow of food into the small intestine. The lower esophageal sphincter is what prevents food and gastric juice from backing up into the esophagus.