Eyes..
*Your eye is the fastest muscle in your body.
*Dogs can’t distinguish between red and green.
*Although our nose and ears keep growing throughout our lives, our eyes remain the same size from birth
*It’s impossible to sneeze with your eyes opend

hair..
*Hair grows slightly faster in warm weather, because heat stimulates circulation and encourages hair growth.
*All hair is dead, with the exception of the hair that’s still inside the epidermis of your scalp.
*The only thing about you that can’t be identified by your hair is your gender—men’s hair and women’s hair are identical in structure
*.A single hair has a lifespan of about five years.