Human Digestive System: Enzymes and Secretions

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Questions and Answers

What is the function of the intrinsic factor mentioned in the text?

  • Aiding in the production of somatostatin
  • Supporting the function of the common bile duct
  • Assisting in the absorption of vitamin B12 (correct)
  • Promoting the secretion of pepsinogen

Where does the common bile duct (Hepato pancreatic duct) open into?

  • Ileocaecal valve
  • Jejunum
  • Mesentery
  • Duodenum (correct)

What is the length of the small intestine as mentioned in the text?

  • 7 meters
  • 10 meters
  • 5 meters
  • 3 meters (correct)

Which part of the small intestine contains the ileocaecal valve?

<p>Terminal part of the ileum (C)</p> Signup and view all the answers

What is the function of the pancreatic juice?

<p>Neutralizing stomach acid (C)</p> Signup and view all the answers

Where is the crypts of Lieberkühn located?

<p>Small intestine (B)</p> Signup and view all the answers

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Study Notes

Digestive System

  • Intrinsic factor is necessary for the absorption of vitamin B12 in the intestine.
  • The common bile duct (Hepato pancreatic duct) opens into the duodenum.
  • The small intestine is approximately 6.9 meters (22.6 feet) long.
  • The ileocaecal valve is located at the junction of the ileum and the caecum.
  • Pancreatic juice, produced by the pancreas, breaks down proteins, carbohydrates, and fats into smaller molecules.
  • Crypts of Lieberkühn, small glands, are located in the mucous membrane of the small intestine.

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