Which of the following is true about the arrector pili muscle?
A) It enables each hair to be stretched when wet.
B) It provides new cells for continued growth of associated hairs.
C) It is associated with every sweat gland.
D) It can cause a hair to stand up straight.
E) It is multi-nuclear.

Question

Quizplus · Accepted Answer

The arrector pili muscle, when contracted, causes the hair to stand up straight, a phenomenon often observed as "goosebumps." This muscle is connected to the hair follicle and is responsible for this action, not for stretching hair, providing new cells, associating with every sweat gland, or being multi-nuclear.

Which of the Following Is True About the Arrector Pili