Answer the following question given this paragraph: 

Hair is one of the defining characteristics of mammals. In fact, mammals are the only animals to have hair. Hair sticks out from the epidermis, but it grows from the dermis ( Figure below ). Hair grows from inside the hair follicle . New cells grow in the bottom part of the hair, called the bulb. Older cells get pushed up, and the hair grows longer. The cells that make up the hair strand are dead and filled with the rope-like protein keratin.


Q: Hair sticks out from the epidermis, but it grows from the?

 Choices:

- humus

- fat

- bone

- dermis

A:
dermis
