21 life-saving facts that everyone should know

Just about everyone knows that you should never text and drive, and that you should stop, drop, and roll if you catch on fire.

But life can also throw situations at us that we don't have a quick, handy response for.

Commenters in a recent Quora thread about life-saving facts offered their best tips, which are easy to remember and could have a huge effect if you ever find yourself in a dangerous situation.

You might want to save these for later.