Monday, January 2, 2012

Respiratory

 Sains Primary School Human Respirstory organ

 Human Respirstory organ,Nose
        Contaminating particles are trapped by the moisture of the mucus lining in the nasal cavity
        The respiratory organs consist of .In the Lung, bronchioles have many branches



















Rspiratory
Physics education primary school,

0 comments:

Post a Comment

Related Posts Plugin for WordPress, Blogger...