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Episode 7
Dr Chris demonstrates how vocal chords work and explores how the human body deals with fear. Dr Xand goes on call with an emergency ambulance team. In Accident and Emergency, one patient is admitted with serious stomach aches and another has a sore elbow.
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Other episodes for this season
![Marvellous Muscles](https://image.tmdb.org/t/p/w300/cKnfwQ1QC6wkgJB3tKBbo7sC51c.jpg)
![Your Brilliant Brain](https://image.tmdb.org/t/p/w300/767HoofarfZ6ZTGmzVNg7kkX7US.jpg)
![Secret Lifesavers](https://image.tmdb.org/t/p/w300/z7290tXwL92rv63h2XA90vv6JzG.jpg)
![The Coolest Feet in Town](https://image.tmdb.org/t/p/w300/cKXHPbAbU7L6Ye4Xq7rDKkeXEx8.jpg)
![Your Connected Body](https://image.tmdb.org/t/p/w300/d60OnOSAY0u0g6n9ZBLpQV66XpB.jpg)
![Don't Be Sick in the Sky!](https://image.tmdb.org/t/p/w300/nl94sDowW3a0dqWuPIQ2fH9ng3O.jpg)
![Episode 7](https://image.tmdb.org/t/p/w300/gUhlVBUWaXWEHoH9f3muY28dT1o.jpg)
![Episode 8](https://image.tmdb.org/t/p/w300/gUhlVBUWaXWEHoH9f3muY28dT1o.jpg)
![Bruised or Broken?](https://image.tmdb.org/t/p/w300/2Nq2D27NiMCvK4Xdomj5nmnIc8J.jpg)
![Your Bones Are Alive](https://image.tmdb.org/t/p/w300/etZS4XlXR9kYTt0uj4cNmFubTAG.jpg)
![What a Stink?!](https://image.tmdb.org/t/p/w300/uPlDsI3yAt2pI0FYGtufaAbgiFN.jpg)
![The World’s Stretchiest Skin](https://image.tmdb.org/t/p/w300/hG5WbzFDgX1FGonC9Rtf4e54GVf.jpg)
![What is an Allergy?](https://image.tmdb.org/t/p/w300/rti6ram81ab3YGmj5ORdDuRrkPD.jpg)