Contraction of the _____ Cause(s) "Goose Bumps

Question

Contraction of the _____ cause(s) "goose bumps."
A) hair follicle
B) underlying skeletal muscle
C) arrector pili muscle
D) capillary loops in the papillary region of the dermis

Accepted Answer

The arrector pili muscle, when contracted, causes "goose bumps" by pulling on the hair follicle, making the hair stand upright. This is a reflex action in response to cold or emotional states.