Read the following statements regarding the hormones secreted by the endocrine cells present in different parts of the gastro-intestinal tract: A. Gastrin acts on the gastric glands and stimulates the secretion of hydrochloric acid and pepsinogen. B. Secretin acts on the exocrine pancreas and stimulates the secretion of water and bicarbonate ions. C. Cholecystokinin (CCK) acts only on the gall bladder to stimulate th

Step-by-step solution

Statement A is correct: Gastrin acts on the gastric glands and stimulates the secretion of hydrochloric acid and pepsinogen. Statement B is correct: Secretin acts on the exocrine pancreas and stimulates the secretion of water and bicarbonate ions. Statement C is incorrect: Cholecystokinin (CCK) acts on both the pancreas and the gall bladder, stimulating the secretion of pancreatic enzymes and bile juice respectively. It does not act only on the gall bladder. Statement D is incorrect: Gastric inhibitory peptide (GIP