7 Fun Facts About The Human Body

The fingernails grow faster than the toenails

Nail growth varies according to age, sex, health and genetics. In fact, the fingernails grow faster than the toenails because our hands are physically closer to our heart. They end up receiving a better supply of oxygen and nutrients, transported through small capillaries located just below our nails. Regardless of the growth rate, the nails of the hands and feet have the same growth mechanism, being composed mainly of keratin, a substance also found in the skin and hair, as well as in the horns and hooves of animals.

Read more on the next page...