        
               Copyright
               Bruno Valeri
               2003-2008
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Our body
transfers heat in 4 different ways.
direct contact:
you touch something hot or cold (ie
conduction)
by giving off
heat such as that of a light bulb or hot
surface (radiation)
by current
transport such as water, air, liquid etc:
example cold wind or hot air blowing over
you (convection)
by converting a
liquid to vapor state (evaporation)
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