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Written by: Mike

Category: Blood and Circulation

Published: 04 May 2008

Hits: 945

I have tried other things, like using red and blue balloons to represent oxygen and carbon dioxide, have a pupil sat as lungs, one as heart and one as muscle. Another is the blood and takes balloons to the right places. Made a model of blood using a coffe jar filled with water = plasma, red connect 4 pieces as red blood cells, white painted conkers as white blood cells and gravel as platelets.

Read more: Blood and circulation