How does the hormone secretin in digestion?
it inhibits movement of food and reduces appetite.

it stimulates the pancreas and the liver to produce secretions.

it regulates secretion of gastric juices in the stomach.

it stimulates the pancreas and the liver to produce secretions. 

There are a lot of hormone in making a good digestion and is responsible in the process to function properly. Secretin stimulate bicarbonate (base) from the liver and pancreas to promote normal growth and maintenance of the pancreas. It also counteracts the blood glucose that triggers the increase of insulin release and oral glucose intake. It also reduce the gastric juice secreted by the stomach along the digestion.

Idont really understand

Grape jelly so a y did you ask this question