What do parietal cells secrete?
A) hydrogen ions only
B) pepsinogen only
C) intrinsic factor only
D) both hydrogen ions and pepsinogen
E) both hydrogen ions and intrinsic factor

Question

Quizplus · Accepted Answer

Parietal cells, located in the stomach lining, secrete hydrochloric acid (HCl) by releasing hydrogen ions, and they also secrete intrinsic factor, which is essential for vitamin B12 absorption in the small intestine.

What Do Parietal Cells Secrete