Swallowing: Histology of Gut Digestion and Absorption - Mini Q Bank Digestion and Absorption (OLD NCERT) Zoology NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

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What regulates the opening of oesophagus into the stomach?
1. A membranous valve
2. A muscular sphincter
3. A mesodermal septum
4. A cartilaginous flap

Subtopic: Swallowing: Histology of Gut | Movement of Food in Gut |

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