Operation Ouch! Snips
CBBC
Sunday 3 April 2022 16:35 - 16:40 (5 mins)
Spit and Snot. Clips from Operation Ouch! Dr Chris and Dr Xand investigate the body's mucus, snot and spit, and the important roles they play. [S]
Operation Ouch! Snips may be available on playback
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