Biology for IGCSE & O level - Human Nutrition (Section 8 - No. 9)
What is the role of the pyloric sphincter?
To prevent food from entering the oesophagus
To control the movement of chyme from the stomach into the small intestine.
To secrete hydrochloric acid.
To absorb nutrients from the stomach.
Explanation
The pyloric sphincter controls the flow of chyme from the stomach to the small intestine.
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