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
Fingernails hands grow about 4 times faster
Cause of tooth decay is prolonged exposure to acids
With food, we reduce the amount of acid
Female heart beating bowl men's
Plasma of human blood
The gastric juice can dissolve the coins, if they are made of a conventional alloy.