Question

multiple choice question
in anatomy, a single hair is also called a(n) ______.
pilus
pelt
strand
arrector pilus

Explanation:

In anatomy, a single hair is known as a pilus. A pelt refers to an animal's skin with the fur or hair still attached. A strand is a more general - term for a thin, elongated piece. The arrector pili (or arrector pilus) is a muscle associated with the hair follicle, not the hair itself.

Answer:

A. pilus