We actually do not see with our eyes – we see with our brains. The eyes basically are the cameras of the brain.
Our eyes can detect sound.
Women blink twice as often as men.
The average person’s skin weighs twice as much as the brain.
When you are looking at someone you love, your pupils dilate. .. . .they do the same when you are looking at someone you hate!
Your ears secrete more earwax when you are afraid than when you aren’t.
Your body uses 300 muscles to balance itself when you are standing still.