Question

question 6 of 8
fill in the blanks:
there are scale - like cells in the outermost layer that contain significant amounts of _, which is a fibrous _ that is also the principal component of hair and nails.
word bank: five, stratum, corneum, keratin, protein, lucidum, granulosum, keratinization, spinosum

Explanation:

Keratin is a fibrous protein found in scale - like cells of the outermost skin layer and is also the main component of hair and nails.

Answer:

First blank: keratin
Second blank: protein