How about opening up yourself and looking inside for a little bit? The human body is an incredibly intricate and complex system. Did you know that your eyes can change their color for different reasons (for example, mood, age, dieting, and detoxing)? Or that you produce 2 to 6 cups of saliva every day? Or if your eye were a camera, it’d be a whopping 576 megapixel one? Doesn't this sound amazing?! So if you think that our internal organs are only capable of breathing, moving, and processing food, you're about to change your opinion completely. A human body is one of the most perfect mechanisms. Its work is thought out to the smallest details. And here are some truly impressive facts about it!

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