Operation Ouch!

Speedy Enzymes (13x9)

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The Doctors reveal how enzymes speed up chemical reactions inside your body with a huge foaming experiment. Dr Xand visits the BBC Philharmonic Orchestra and is treated to a special performance while finding out how your brain reacts to music, and there are three more incredible Ouch Award finalists to meet. Meanwhile in the Emergency Department, Alfie has a sore hip and Taya has stepped on broken glass.