If your stomach acid so acidic that it can melt almost anything, why do other foreign organisms and objects still pass through like nothing happen? Why do tapeworms continue to survive and other bacteria?

Question

If your stomach acid so acidic that it can melt almost anything, why do other foreign organisms and objects still pass through like nothing happen? Why do tapeworms continue to survive and other bacteria?

In: Biology

Answer 1

A few years ago I swallowed an Osterizer blender blade. It never came out the back end. I doubt the acid could eat a stainless blade like that, but I hope it did.