Heart Pump Model

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=LZlV1ZGrtww

Heart-Pump ModelMaterials: 1 Mason jar1/2 cup of water1 big balloon1 small balloon1 big rubber band1 small rubber band2 bending straws masking tape1 choco-straw

heart pump, heart model, heart, model, cardiovascular, health
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