The hardest substance in our body

Touch to the skin porazhdaet electrical impulse

The strongest muscle in the human body - the language

The most effective liver metabolizes alcohol

The gastric juice can dissolve coins

The human eye can distinguish

The ears grow all life (or rather earlobes)

The finger man in my life to bend about 25 million times

A pack of cigarettes per day = drinking half a Cup of tar per year

White beards grow faster than dark