Question

Which is the protective substance that lines the stomach?

A. pepsin<<
B. mucus
C. hydrochloric acid
D. saliva
Bot
B. Mucus is the protective substance that lines the stomach.
iner
thank you
Your Local Emo Freak
def not c bc thats whats in beauty products
Your Local Emo Freak
not saliva thats in ur mouth
Your Local Emo Freak
idk what pepsin is so yes ai is right