📝 Multiple Choice Question
General-science
Which of the following muscles regulates the exit of food from the stomach into the small intestine?
A
Cardiac sphincter
B
Diaphragm
C
Pyloric sphincter
D
Ileocecal valve
Explanation
The robust pyloric sphincter is a powerful, localized ring of smooth muscle that strictly controls the gradual passage of partially digested food (chyme) directly from the stomach down into the duodenum.
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