Biology for IGCSE & O level - Human Nutrition (Section 3 - No. 31)
What is the role of the pyloric sphincter?
To absorb nutrients in the stomach.
To prevent food from entering the oesophagus.
To control the release of chyme into the duodenum.
To mix the food with digestive enzymes.
Explanation
The pyloric sphincter regulates the passage of food from the stomach to the small intestine.
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