Question

1. Fill in the table with the stimuli for, sources of, targets of, and actions of each of the following hormones:

hormone	stimuli	source	target(s)	action(s)
gastrin
CCK

Answer 1

Answer

Hormones	Stimuli	Source	Target(s)	Action(s)
Gastrin	Presence of food (bolus) that contains poplypeptides in the lumen of stomach.	G cells of pyloric antrum	Parietal cells of the stomach	Stimulate the release of HCl (gastric acid)
CCK (Cholecystokinin)	Presence of partially digested food (chyme) into the lumen of duodenum.	Enteroendocrine cells in duodenal wall	Gallbladder Pancreas	Stimulate release of bile into duodenum Stimulate release of pancreatic enzymes into the duodenum