'Like dead skin at the base of a fingernail, the outermost layer of a shaft of hair is called this'
a cuticle
BODY BASICS: Like dead skin at the base of a fingernail, the outermost layer of a shaft of hair is called this
Like dead skin at the base of a fingernail, the outermost layer of a shaft of hair is called this
Like dead skin at the base of a fingernail, the outermost layer of a shaft of hair is called this
BODY BASICS
a cuticle
BODY BASICS