The doctors reveal the job your pancreas does to keep your blood sugar levels in check, and they find out what it's like to be the hospital postman. Show more
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The doctors reveal the job your pancreas does to keep your blood sugar levels in check, and they find out what it's like to be the hospital postman. 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.
