Cholecystokinin and duocrinin are secreted by the
Correct answer: C. Intestine
- A. Adrenal cortex
- B. Thyroid gland
- C. Intestine
- D. Pancreas
Explanation
Cholecystokinin and duocrinin are secreted by the intestine. They stimulate the pancreas to release enzymes in pancreatic juice and stimulate 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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