Fill in the Blank QuestionFill in the blank question.Internally, the stomach lining is composed of numerous folds or rugae.

Fill in the Blank QuestionFill in the blank question.The stomach is lined by a simple epithelium.

Large wrinkle-like folds in the stomach lining, present when the stomach is empty, that allow for expansion when the stomach is filling are called ________.rugaevillimicrovillihaustra

What two substances are produced in the lining of the stomach?

Fill in the Blank QuestionFill in the blank question.The muscularis of the stomach is composed of three smooth muscle layers instead of two: an inner layer, a middle layer, and an outer layer.

Hint: Think about the structure of the stomach and what it secretes!