Labels:book | brace | bulletin board | person | plaything OCR: W HAT ARE You MADE OF? YOUR BODY made out of 24 include hydrogen and oxygen different elements, but just four which com bine to form water. of these make up the major part of The balance of chemicals in your your body weight These four body depends on your age CHEMICAI MAKE-UP WATER GONTENT Chemicals are carried around the body Your body contains about 40 litres dissolved in water: the most im portant (70 pints) of water contained in these salt (sodium chloride) blood and also in and around cells MADF butj CONTENI