SURPRISING THINGS YOU DIDN'T KNOW ABOUT YOUR BODY We tend to think that we know our own bodies perfectly, but in fact, the human body is one seriously complex and mysterious mechanism that sometimes confuses even the most qualified specialists. Check out these 15 fascinating facts about our bodies. BRAIN POWER Your brain accounts for only 2% of your body weight, yet it uses 20% of the total oxygen and blood in your body. In a lifetime, your brain's long-term memory can hold up to 1 quadrillion (1 million billion) bits of information and also operated roughly by the same amount of power as a 10-Watt light bulb. HUMAN EYE If the human eye was a digital camera, it would've been 576 megapixels. Currently, the most expensive digital camera in the world has 200 megapixels. DEOXYRIBONUCLEIC ACID (DNA) If uncoiled, the DNA in all of your body's cells would stretch 10 billion miles. That's long enough to reach from here to Pluto…. and ba