The doctors use real stomach acid to do an experiment to reveal how the digestion process starts. Show more
Discover 11,128,835 listings and 280,507 playable programmes from the BBC
The doctors use real stomach acid to do an experiment to reveal how the digestion process starts. 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.
