BBC iPlayer - Episode Detail: Nina and the Neurons: Series 2: Nina Gets Nosey Sebastian wants to know why we need bogeys. Nina shows how they keep the body clean. 2009-12-02T15:42:11Z tag:feeds.bbc.co.uk,2008:/iplayer/feed/episode/b00b325m BBC http://www.bbc.co.uk Nina and the Neurons: Series 2: Nina Gets Nosey tag:feeds.bbc.co.uk,2008:PIPS:b00b325m 2009-05-04T01:09:25Z Sebastian wants to know why we need bogeys. Nina shows how they keep the body clean. <p> <a href="http://www.bbc.co.uk/iplayer/episode/b00b325m/Nina_and_the_Neurons_Series_2_Nina_Gets_Nosey/"> <img src="http://node2.bbcimg.co.uk/iplayer/images/episode/b00b325m_150_84.jpg" alt="Nina and the Neurons: Series 2: Nina Gets Nosey" /> </a> </p> <p> Fun science for pre-school children. Nina helps answer Sebastian's sticky question about why we need bogeys. They find out how a dirty nose can keep the body clean. </p>