Question

the structure that regulates the passage of food from the stomach into the duodenum is called the ____ sphincter. a) cardiac b) anal c) pyloric d) duodenal

Explanation:

The pyloric sphincter is the muscular valve that controls the passage of food from the stomach into the duodenum. The cardiac sphincter is between the esophagus and stomach, the anal sphincter is at the end of the digestive tract, and there is no duodenal sphincter in this context.

Answer:

C. pyloric