Fill in the Blank QuestionFill in the blank question.The surface mucous cells continuously secrete mucin onto the gastric surface to prevent ulceration of the lining upon exposure to the high of the gastric fluid and protect theepithelium from gastric enzymes.

Fill in the Blank QuestionFill in the blank question.Surface mucous cells line the stomach lumen and extend into the .

functions of mucus secreted in the intestine

The acidic mucin from mucous neck cells helps maintain the acidic conditions resulting from the secretion of acid by parietal cells.

Fill in the Blank QuestionFill in the blank question.The mucous neck cells produce an mucin.

Explain the role of goblet cells, mucus and ciliated cells in protecting the gas exchange system from pathogens and particles.