Operation Ouch! - Series 5: 4. Awesome Oxygen - Signed

Name: Operation Ouch! - Series 5: 4. Awesome Oxygen - Signed
Description: The doctors reveal why a body cannot survive without oxygen for more than three minutes, and they find out what it is like to be 999 call handlers.

The doctors reveal why a body cannot survive without oxygen for more than three minutes, and they find out what it is like to be 999 call handlers.