10 Things You Didn't Know About You + What's the Maximum Weight A Human can Lift

10 Things You Didn't Know About You + What's the Maximum Weight A Human can Lift10: Your Stomach Secretes Corrosive Acid There's one dangerous liquid no airport security can confiscate from you: It's in your gut. Your stomach cells secrete hydrochloric acid, a corrosive compound used to treat metals in the industrial world. It can pickle steel, but mucous lining the stomach wall keeps this