GENERAL HISTOLOGY

INTEGUMENTERY SYSTEM

DERMIS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The muscle located in the dermis that is attached to the hair follicle and causes goose bumps when a person is frightened or cold is the:
A
angled muscle
B
secretory muscle
C
absorption muscle
D
arrector pili muscle
Explanation: 

Detailed explanation-1: -Goosebumps occur when tiny muscles in our skin’s hair follicles, called arrector pili muscles, pull hair upright.

Detailed explanation-2: -Share on Pinterest Chills and cold temperatures are among the causes of goosebumps on the skin. Goosebumps appear when the arrector pili muscles contract, pulling the hairs into an upright position.

Detailed explanation-3: -The arrector pili muscles contract (piloerection) and lift the hair follicles upright. This makes the hairs stand on end, which acts as an insulating layer, trapping heat. This is also how goose bumps are caused, since humans don’t have very much hair and the contracted muscles can easily be seen.

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