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Operation Ouch! - Series 6: 8. Marvellous Valves - Signed

Dr Chris and Dr Xand find out why blood rushes to your head when you are upside down but doesn't rush to your feet when you're standing up!Ìý

  • Duration28 mins
  • First shown8 Nov 2017
  • Available for over a year
Watchlist
Audio DescribedSign Language

Series 6 Episodes