Operation Ouch!
Can I Borrow Some of Your Blood? (4x2)
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In this episode, the doctors reveal where your blood comes from, Dr Chris meets a patient undergoing life-changing brain surgery and there is a mind-bending trick to test the powers of concentration.
There are also more medical mysteries in Ouch and About, and in accident and emergency one patient is in with a double sporting injury, while another has taken a nasty tumble with her horse.