BIO205 E4 Digestion

______ are exocrine glands that secrete water, mucous, and digestive enzymes into the mouth.

The _____ is where most nutrient absorption takes place.

Stomach Cell Types:

______ Cells: Produce and secrete mucous.

Stomach Cell Types:

______ Cells: Secrete HCl, to maintain an pH of 2.0.

Stomach Cell Types:

________ cells: produce and secrete pepsinogen a proenzyme, which is activated by acidic conditions and turned into pepsin which digests proteins.

Stomach Cell Types:

________ cells: Produce and secrete the hormones gastrin and gherlin.

______ are protein complexes that bind cell membranes together, forming an impermeable barrier.

pepsinogen is activated into pepsin by the low ____ of the stomach.

Cholecystokinin (CCK) is secreted by the ______ and stimulates the expulsion of bile from the gallbladder, pancreatic enzyme secretion, and appetite.

_____ is a hormone that is secreted by the stomach and small intestine. It stimulates the production and secretion of gastric acid.