What are finger nails and toe nails made of?

Answer:
hardened Hair! TRUE!!!

Nails are made up of mostly dead keratin cells. Hair may be made up of keratin cells as well, but to say that they are hardened hair is not an accurate description.

Contributor: Christal
First answer by ID0406481701. Last edit by 1Michelle1. Contributor trust: 0 [recommend contributor recommended]. Question popularity: 2 [recommend question].