Answered

Which structure of the stomach prevents chyme in the duodenum from refluxing back into the stomach?

A. the cardia
B. the antrum
C. the pyloric sphincter
D. the gastroesophageal sphincter



Answer :

GinnyAnswer

Final answer:

The pyloric sphincter prevents chyme reflux into the stomach.


Explanation:

The pyloric sphincter is the structure of the stomach that prevents chyme in the duodenum from refluxing back into the stomach. This sphincter is located at the connection between the pyloric antrum and the duodenum and controls the passage of food from the stomach to the small intestine.


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