Undeniable Fact: A real scale-biter

Thursday, August 24, 2006

Although they may look similar, fingernails and toenails are not made of the same material. Fingernails are modified hair, while toenails are modified scales. Their functions are also completely unrelated. Toenails are used for balance, while fingernails were originally used for digging. They link us to one of our most storied ancestors, the venerable mole.


Post a Comment

<< Home