Answer :

Final answer:

Pancreatic juice from pig's pancreas contains enzymes and bicarbonate. It assists in digestion of starches, proteins, fats, and carbohydrates in the small intestine. The juice also combines with intestinal juice to facilitate absorption of nutrients.

Explanation:

The pig's pancreatic juice produced by the pancreas is rich in enzymes and bicarbonate and it is delivered to the small intestine through ducts. The bicarbonate in pancreatic juice buffers the acidic gastric juice present in chyme, inactivates pepsin which originates from the stomach, and enables optimal functioning of digestive enzymes in the small intestine.

Pancreatic juice contains several digestive enzymes that break down starches, disaccharides, proteins, and fats. The digestion of proteins and carbohydrates, which partially occurs in the stomach, is completed in the small intestine with the aid of pancreatic juices. Similarly, the digestion of lipids, facilitated by bile and the enzyme pancreatic lipase, occurs in the small intestine.

Intestinal juice combines with pancreatic juice to facilitate absorption. This juice provides a liquid medium that allows not only digestion but also absorption of nutrients. Enzymatic digestion occurs not only in the lumen but also on the luminal surfaces of the mucosal cells of small intestine.

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