Why do we fart? - Operation Ouch! on CBBC

Twin doctors Chris and Xand perform a fart experiment in this clip from Operation Ouch! on CBBC
Watch more great Operation Ouch! clips on the CBBC website www.bbc.co.uk/cbbc/shows/opera...
For more fun, play CBBC games and great makes visit www.bbc.co.uk/cbbc
CBBC aims to encourage children to find out more about existing interests and inspire them to develop new ones; helps them understand the world around them and provides an entertaining watch when they just want to relax.
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The majority of our output is UK-made, reflecting children's lives in the UK today. Popular programmes on the channel include Wolfblood, The Next Step, Friday Download, Diddy Movies, Four O'Clock Club and The Dumping Ground. It's possible to catch up on CBBC shows on the CBBC iPlayer at www.bbc.co.uk/iplayer/cbbc