Your connected body

S1 E5: Dr Chris inserts a special medical tube into Dr Xand's nose and down to his belly to prove that our nose, mouth and stomach are all connected. Dr Xand takes things to the extreme as he endures a room colder than Antarctica to find out how our bodies cope in freezing temperatures. There is also a peek at a robot surgeon in the operating theatre and a patient with a broken elbow in accident and emergency.