Labels:dialog box | monitor | traffic light | web site | window OCR: HELP Make a model spine This activity concentrates on the make up of the spine You will need some drinking straws and some string Cut the drinking straws into pieces about 1cm long ano thread them onto the piece string 2) Now use this model to explain why our backbone has to be made of many small pieces bone and not one large one. It will help youif you bend the model forwards. backwards and sideways. drinkine mode exolain
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