Asked in FBISE Biology 2022 — Paper 3 2022Moderate

Presence of fats in the intestine causes the release of bile under the influence of

Correct answer: D. Cholecystokinins

  • A. Gastrin
  • B. Acetylcholine
  • C. Secretin
  • D. Cholecystokinins

Explanation

The secretion of bile is primarily stimulated by the hormone cholecystokinin (CCK), rather than secretin. CCK is released by the duodenum in response to the presence of partially digested proteins and fats.

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About Human Digestive System

The human digestive system breaks food into absorbable molecules through mechanical processing, enzyme action and chemical conditions along the alimentary canal. Questions cover the mouth, stomach, small and large intestines, liver, pancreas and associated secretions, including the digestion and absorption of carbohydrates, proteins, lipids, vitamins, minerals and water.

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