Thursday, February 4, 2016

A FEW THINGS ABOUT... Fingernails

Fingernails. We always take them for granted. They are similar to claws in other animals and the tough protective protein, keratin, is also found in the hooves and horns of different animals. Here are a few more things about fingernails you might not have known.



(click to enlarge)

No comments:

Post a Comment

Related Posts Plugin for WordPress, Blogger...