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The Circulatory System

We have had great fun acting out the human circulatory system in our Science recently! We learnt how deoxygenated blood is turned into oxygenated blood and the journey blood takes around the body.

Some of us wanted to know what blood was made of and where it was made, so we used cheerios, mints, orange squash and cotton wool to make up the components of blood! Did you know over 50% of our blood is plasma which is mostly water?