Stomach cells are moderately well adapted to the acidity and protein-digesting activities in the stomach by having: a) Stomach cells are moderately well adapted to the acidity and protein-digesting activities in the stomach by having a high level of secretion by chief cells. b) a thick, mucous secretion and active mitosis of epithelial cells. c) secretions that enter the stomach from the pancreas. d) a thriving colony of H. pylori. e) a high level of secretion from parietal cells.