The arrector pili muscle’s predominate, useful function in humans is to ________.
A. stimulating faster hair growth
B. assisting in the release sebum from nearby sebaceous glands
C. preventing germs from entering the hair shaft
D. provide warmth by making the hair stand on end
Answer:B
The arrector pili muscle’s predominate, useful function in humans is to ________.
A. stimulating faster hair growth B. assisting in the release sebum from nearby sebaceous glands C. preventing germs from entering the hair shaft D. provide warmth by making the hair stand on end