Question

explain how is our stomach is not affected so high HCL present in it

Answer 1

our body secrets a waxy layer inside our stomach, known as mucus, it prevents the contact of our stomach with hcl
and hence our stomach is safe from the acid...

HOPE IT HELPS U...

Answer 2

our stomach protects itself from being digested by its own enzymes, or burnt by the corrosive hydrochloric acid, by secreting sticky, neutralising mucus that clings to the stomach walls. If this layer becomes damagedin any way it can result in painful and unpleasant stomach ulcers.