Help make Alexa smarter on Alexa Answers. Sign in with Amazon


Why do we need fingernails?

Fingernails are essentially flat claws possessed by primates. They are one type of our body's protection. Composed of Keratin, a hardened protein, they are used for scratching, removing debris, digging, picking. Plus, color and texture changes of fingernails can signal diseases in the body.

{{ relativeTimeResolver(1613061846092) }}

Points points 96
Rating 0

Similar Questions
Sign in to view all similar questions

Join Alexa Answers

Help make Alexa smarter and share your knowledge with the world