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OCR: HELP Examining bone structure This activity involves collecting and examining selection of bones. If you are - vegetanian you may not want to take part in this activity. 1 Make a collection bones from the ones left over at meal times. Clean them by boiling them water until the flesh scrapes off easily. GET AN ADULT TO HELP YOU WITH THIS BOILING WATER IS DANGEROUS 2 Try to decide where the bones came from (the ribs of the animal, the legs the back) and then cut one the large bones in half, make notes on the structure of the bone. TAKE CARE doing this. You need to clamp the bone and use a hacksaw. 3 Now put two desks together. Laya small clean leg bone between the desks and hang weights from the centre of the bone one at a time What weight is needed to break the bone? Repeat the exer cise us ...