Operation Ouch! - Series 4: Episode 3 - Signed

Name: Operation Ouch! - Series 4: Episode 3 - Signed
Description: With the help of opera singer Lucy O'Byrne, the doctors reveal the hidden muscle that makes you breathe. Then, Dr Xand heads to a DNA laboratory to solve a mystery.

With the help of opera singer Lucy O'Byrne, the doctors reveal the hidden muscle that makes you breathe. Then, Dr Xand heads to a DNA laboratory to solve a mystery.