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. Show more
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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. Show more
CBBC is the BBC's multiplatform offering for 6-12 year olds bringing the very best drama, entertainment and factual programmes to its young viewers.
