Stomach acid is strong enough to dissolve stainless steel
Your stomach digests food thanks to highly corrosive hydrochloric acid with a pH of 2 to 3. This acid also attacks your stomach lining, which protects itself by secreting an alkali bicarbonate solution. The lining still needs to be replaced continually, and it entirely renews itself every four days. I have heard that it can digest razor blades as well. Imagine!
Don't try this at home!!!!
Source: howstuffworksdaily.com