S E V E N T E E N · 17 BE A SCIENTIST! INVESTIGATE. Touch your arm and answer the question∫. A ¬re your muscle∫ so‡ or hard? A ¬re your bone∫ so‡ or hard? MY MUSCLES ARE... 2 LISTEN and bend your body. 1 H¬ow doe∫ our body move? COMPLETE the mind map. JOINTS BONES MUSCLES OUR BODY MOVES WITH... BEND YOUR KNEE! 1
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