catflap.org Online Dictionary Query

  Sweat serves/functions to cool down the body. /swˈɛt sˈɜːvz fˈʌŋkʃənz tə kˈuːl dˌaʊn ðə bˈɒdi/
  Schweiß hat die Funktion, den Körper abzukühlen.
   see: serve as sth., function as sth., serving, functioning, served, functioned, serve a useful purpose, serve to do sth., function to do sth., The sofa had to serve/function as a bed., His death should serve as a warning to other young people., Can I help you?, Narratives about the past may serve to maintain memories., Police interrogations serve the purpose of solving crimes.