NEET Zoology Digestion and Absorption Questions Solved

The opening of stomach into duodenum is guarded by:

(1) Cardiac sphincter

(2) Sphincter of Boyden

(3) Sphincter of Oddi

(4) Pyloric sphincter

Audio Explanation:

(4) The opening of the stomach into the duodenum is guarded by the pyloric sphincter because a narrow distal portion which opens into the first part of small intestine is pyloric portion.

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