Question

human hair _____.
a. has flattened and narrow imbricate cuticle scales
b. has a medulla that is proportionally thicker than in other animals
c. pigment is found in solid masses called ovoid bodies
d. pigmentation is denser toward the medulla

Explanation:

Human hair has flattened and narrow imbricate cuticle scales. The medulla in human hair is not proportionally thicker than in other animals. Pigment in human hair is not found in solid masses called ovoid bodies, and pigmentation is not denser toward the medulla.

Answer:

A. has flattened and narrow imbricate cuticle scales