• Question: Why have we got hair when there is no need for it really?? For example. you need your nose to smell and eyes to see but you dont need your hair.

    Asked by eviej26 to Amy, Drew, Julia, Kimberley, Sara on 18 Jun 2011. This question was also asked by justjimmehhh, natalie1998.
    • Photo: Amy MacQueen

      Amy MacQueen answered on 17 Jun 2011:

      Hi guys!

      Well, I think that its weird we DON’T have much hair!! Because if you think about it why did we ever start wearing clothes? what happened that made us think that was a good idea? surely it would make more sense to have hair and stay warm like the other animals?

      And if we came from a common ancestor with monkeys then that would mean we started off with hair all over us right?

      🙂

    • Photo: Julia Griffen

      Julia Griffen answered on 17 Jun 2011:

      To Look Gorrrrgus!! 🙂

      It keeps your head warm… the brain needs to keep a pretty constant temperature so your hair helps with this… cus if you think there’s not much insulation on your head.. skin, skull brain and very little fat or flesh…

    • Photo: Kimberley Bryon

      Kimberley Bryon answered on 18 Jun 2011:

      Hair is really important for keeping you at the correct temperature – about 37 degrees C.

      As well as keeping your head warm, the hairs on the rest of your body help to keep you warm too. When you get cold you get goosebumps and the hairs on your arms stand up. This traps a pocket of air next to the skin helping to insulate the skin against heat loss. When we are hot, they lie flat, allowing heat to escape.

      Pretty nifty, don’t you think?

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