Have you ever wondered how people who are fearless, or seem to be made of steel?
The brain is an incredibly complex organ. It's responsible for everything from breathing and regulating heart rate all the way down to walking on two feet; but what makes it so unique isn't just these functions-the sheer number alone verges into amazed territory! Steel has been used as analogies in reference points such because there’s no rusting nor does anything else detrimental occur when exposed directly against this material (not even if left unprotected).