Copyrighted imageCredit: The Open University The Bang team look at the human body

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Bang on TV

Jem dreams of flying under his own power by pedalling a homemade plane into the air. He sets out to discover why muscles get tired, and to see if he can boost his own using nothing more than beetroot. Meanwhile, Liz explores how hormones and blood sugar affect our energy levels and mood, and Dallas sweats himself to a standstill as he tries to answer the question 'Do we really need to drink eight glasses of water a day?'.

Bang Goes The Theory can be seen on BBC One at 7:30pm (England, Scotland and Northern Ireland) and BBC Two at 8:00pm (Wales) on Monday 23 April. Full schedule and iPlayer links are on bbc.co.uk. Read more about the current series.

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