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The skin is ____1.____essential part of your body and its __2.______organ. You have three __3.______of skin which act as a barrier __4._____disease, poisons and the sun’s harmful rays. The __5.____of your skin are also very___6.___ :it keeps you warm or cool; it prevents your body from ____7.___too much water; it is where you feel cold, heat or pain it gives you your sense of __8.____.So you can imagine, if your skin gets __9.____it can be very serious. First aid is a very important first step in the_____10._ of burns.
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