seeing is believing eye

eyes are jelly filled comeras and your bod's numbest one sets organs. All  day long your eyes kip your brain busy passing it masses of information about the world around  you.  Ray of light  pour into  your eye where  clear lines focus them to make a crisp clean image . Nerves pass info about  the image to the brain which has the tricky task of turning those nerve signals into vision. It can even combine the images from both eyes to make a single 3 -d picture. It takes six muscles to eyeball  so you can get a good  view all around if you spy sorting sad your tears drain into  tiny holes in corner of your  eyes and flow into your nose that's  why your nose run when cry. eye spy human eye muscles move around 10,000 times a day. student Jalisa Mae Thompson can pop here eyeball so far out of their sockets they hardly look real. a visual (or optical) illusion tricks us into seeing that isn't  real look at this picture  let your eyes roam from circle to circe and it will appear to have going  parts of course it doesn't  sometime your  brain can't quite keep up with massages sent by your eyes. Eyes are delicate organs so we have eyeball eyelashes and tears to  protect them . The  aqueous vitreous are  clear substances either watery or jelly in the eyeball. The colored part of your eye is called the iris iris It controls how much light enters the pupil to produce perfect images and protects your eyes from sun damage. The muscles you use to blink are the fastest in your body moving your eyelids at a speedy 14 inches a second around  84 million times even year.you lose around  1,600  of year eyelashes each year. Thankfully new ones are alway growing it impossible  to sneeze  with eyes open. A newborn baby make tears until it is around three  weeks old  The retina has about 130 million  cells for seeing black and whit but only millions for seeing colors Humans can detect 500 shades of gray. from book called human body believe it or not