Final answer:
Secretin and cholecystokinin (CCK) are hormones secreted in response to acidic chyme in the duodenum. They regulate the release of digestive juices and bile to aid in the digestion process.
Explanation:
Secretin and cholecystokinin (CCK) are the hormones secreted in response to acidic chyme in the duodenum. Secretin stimulates the pancreas to release bicarbonate-rich pancreatic juice to neutralize the acidic chyme, while CCK stimulates the release of pancreatic enzymes and bile from the liver and gallbladder.
In the digestive process, these hormones play key roles in regulating the secretion of digestive juices and bile to aid in the breakdown of food. They help maintain the pH balance and facilitate the absorption of nutrients in the small intestine.
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