Think you're now an expert on all things mucus?!
It's time to put your new knowledge to the test and see if you'll score 6/6.
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Have you seen new Operation Ouch?
Think you're now an expert on all things mucus?!
It's time to put your new knowledge to the test and see if you'll score 6/6.
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All aboard the gut buster!
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Your Comments
Join the conversation
Oh no, that's snot top marks!
Just like Doctor Xand Dirty Airborne Particle Dude, you've been caught out!
Not to worry, it just means you get a bonus clip all about how the cilia and mucus in your trachea protect your lungs from dirty airborne particles!
Why not have another go at the quiz and try to get 6/6, or watch more Operation Ouch on iPlayer right now!