Question

In our body pH of HCL is 1-2 even then it does not harm our stomach lining why?​

Answer 1

The stomach wall is protected by an innermost layer of substance called mucosa. It's a simple epithelial tissue. These mucus cells found throughout the stomach lining secrete mucus which protects the stomach from the strong acidic action of Hydrochloric Acid.

Answer 2

because the lining of mucus in our stomach protect it