Identify the cells whose secretion protects the lining of gastro-intestinal tract from various enzymes.
Correct option is B. Goblet Cells
Goblet cells secrete mucus are bicarbonates present in the gastric juice which plays an important role in lubrication and protection of the mucosal epithelium from excoriation by the highly concentrated HCl.
So, the correct answer is 'Goblet Cells'