Labels:book | dialog box | door | web site | window OCR: HELD What are we made of? This worksheet looks at the different materials from which we are made and where they from 1 Using two or three separate sources of information make ist of the substances which make up the human body 2 As far as possible find out the amount each substance faund in ar average human 31 Take samples of typical foods and test for substances which are likely to be found in them HELP come senarate informatior list averace
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