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Past biology question - help

  • 30-12-2017 7:16pm
    #1
    thereisacar
    Registered Users, Registered Users 2 Posts: 31 ✭


    It's from one of the SEC sample biology papers

    The questions are:
    State two responses that result when body temperature begins to drop

    Explain briefly how swearing assists in the shedding of excess heat?

    I can't find the marking scheme anywhere.


Comments

  • #2
    Bazinga_N
    Registered Users, Registered Users 2 Posts: 3,232 ✭✭✭Bazinga_N


    thereisacar wrote: »
    It's from one of the SEC sample biology papers

    The questions are:
    State two responses that result when body temperature begins to drop

    Explain briefly how swearing assists in the shedding of excess heat?

    I can't find the marking scheme anywhere.

    Two responses would be:
    - erector muscled contract (forming goose bumps) this causes the hairs to stand up and traps a layer of warm air close to the skin

    - vasoconstriction (blood vessels contract) meaning less heat is lost to the outside


    Sweat reduces excess heat because when sweat evaporated from the skin it takes heat away from the body.


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