The lower esophageal sphincter prevents chyme from moving into the esophagus lar

Question

The lower esophageal sphincter prevents chyme from moving into the esophagus large intestine duodenum stomach pancreatic islet produce mucus insulin, glucagon digestive enzyme enterokinase The longest region of the small intestine is the duodenum ileum jejunum colon The small intestine contains finger like projection called ___________ whose function is to __________________. villi; secrete mucus rugae; allow for expansion crypts of leiberkuhn; produces mucus villi; increase surface area The pancreas and liver release their secretion into the stomach ileum duodenum jejunum The lining of the stomach is composed of simple columnar cells. is covered by thick, viscous mucus has folds called rugae. all of the answers are correct Function of gall bladder include secretion of bile secretion of gastrin, a stomach hormone storage of bile all of the answers are correct

Explanation / Answer

14. A. (esophageal sphincter valve is present on the neck of stomach where esophagus is connected to stomach)

15. B. (somatostatin-delta cells, insulin -beta cell & glucagon-alpha cells)

16. B. ileum (near about 3.5 meters, jejunum 2.5 meters and duodenum - 25 centimeters)

17. D. villi , increase surface area (also called as microvilli)

18. C. Duodenum (through common bile duct)

19. E. All of these answers are correct

20. C. (storage of bile salt)

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