The contraction of gall bladder is due to
Correct answer: A. Cholecystokinin
- A. Cholecystokinin
- B. Enterogastrone
- C. Gastrin
- D. Secretin
Explanation
Cholecystokinin and duocrinin are secreted by intestine. They stimulate the pancreas to release enzymes in pancreatic juice and stimulates the gall bladder to release bile. Duocrinin causes the release of viscous mucus from Brunner's glands into intestinal juice.
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About Coordination and Control
Coordination depends on receptors, neurons, synapses and nerve impulses, with reflex actions traced through the reflex arc and the roles of major brain regions. Chemical coordination covers endocrine glands and hormones, including how hormones regulate growth, metabolism, reproduction and internal balance, unlike rapid nervous control.
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