Hair is a fiber that is found only in mammals.
Sebaceous glands associated with hair follicles protect the skin of mammals.
Fiber follicles protect mammal skin.
What protects a mammal's skin?
A) Fiber follicles
B) Exfoliation
C) resistance
D) layers of fat
E) evaporation
F) a cuticle
G) sensory neurons
H) fur and fat