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STD 11 - 19. Chemical coordination and integration — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYSTD 11 - 19. Chemical coordination and integration1 Mark
MCQ
$CCK$ acts on
  • A
    Pancreas
  • B
    Gall bladder
  • ✓
    Both $(a)$ and $(b)$
  • D
    Liver
✓

Answer

Correct option: C.
Both $(a)$ and $(b)$
c
$Cholecystokinin$ is a peptide hormone of the gastrointestinal system responsible for stimulating the digestion of fat and protein. Cholecystokinin, previously called pancreozymin is synthesised by $1$ -cells in the mucosal epithelium of the small intestine and secreted in the duodenum, the first segment of the small intestine, and causes the release of digestive enzymes and bile from the pancreas and gall bladder, respectively.

It also acts a hunger suppressant. Recent evidence has suggested that it also plays a major role in inducing drug tolerance to opioide like morphine and heroin and is partly implicated in experiences of pain hypersensitivity during opioid withdrawal

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