close
    What causes "goosebumps"?

    Everyone gets goosebumps when it's cold or they are scared. What is the mechanism that triggers it and why?

    +1  Views: 1780 Answers: 1 Posted: 7 years ago
    Tags: health body skin
    Raider_retired 3_29_

    T.U. for my friend, Volcan

    1 Answer

    Goose bumps are created when tiny muscles at the base of each hair, known as arrectores pilorum, contract and pull the hair erect. The reflex is started by the sympathetic nervous system, which is in general responsible for many fight-or-flight responses. They are created when one is scared, cold or has deep emotional feelings.



    Top contributors in Uncategorized category

     
    ROMOS
    Answers: 18355 / Questions: 154
    Karma: 1093K
     
    Colleen
    Answers: 47520 / Questions: 115
    Karma: 953K
     
    country bumpkin
    Answers: 10979 / Questions: 160
    Karma: 800K
     
    jhharlan
    Answers: 9879 / Questions: 1092
    Karma: 733K
    > Top contributors chart

    Unanswered Questions

    441809
    questions
    709955
    answers
    512886
    users