Bottom Line trivia By Staff | Oct 27, 2019 1 / 2TX. HorsesPhoto supplied, MichelAngelo Oprandi/stock.adobe.com2 / 2TX. HorsesPhoto supplied, stock.adobe.com ❮ ❯ A horse’s hoof is made up of the same protein found in human fingernails and hair. Newsletter Join thousands already receiving our daily newsletter. I'm interested in (please check all that apply) Daily Newsletter Breaking News Obituaries Tx