• Question: how do scabs form?

    Asked by chloetaylorx to Damien, Rachael, Simon, Suzi, Tim on 14 Jun 2011.
    • Photo: Suzi Gage

      Suzi Gage answered on 14 Jun 2011:

      Hi @chloetaylorx
      Scabs are formed by platelets, which are part of your blood that thickens when it’s exposed to air. When you cut yourself, the platelets in your blood will thicken and block the wound, then they’ll harden over (becoming the scab) while a new layer of skin is created underneath.

      Hope this answers your question!

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