Which of the following is not a factor that helps create the stomach mucosal barrier?
A. thick coating of bicarbonate-rich mucus
B. tight junctions of epithelial mucosa cells
C. replacing of damaged epithelial mucosa cells
D. rennin
Rennin is not a factor that helps create the stomach mucosal barrier, whereas thick coating of bicarbonate-rich mucus, tight junctions of epithelial mucosa cells, and replacing of damaged epithelial mucosa cells are.