How does your nose smell? Video

This is a TEDed lesson on how our noses smell and detect odor. This is a cartoonized video with a great story track.  This science video goes through the different parts of the nose and some parts of the tongue as taste and smell go hand in hand.  The video also discusses the difference between certain animals and our human noses.  One of the interesting science concepts that is discuss is why some people lack a sense of smell.