Gaseous Exchange
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Gaseous Exchange
ladricious Offline
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Gaseous Exchange

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why is it advised to breath using nose and not mouthتصویر: images/smilies/blush.gif
 
08-17-2017 02:45 PM
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riddah chory Offline
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oteaتصویر: images/smilies/tongue.gifتصویر: images/smilies/tongue.gifتصویر: images/smilies/tongue.gif


 
10-19-2017 01:06 PM
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carlitofernando Offline
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RE: Gaseous Exchange

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ok let me answer yhew we arre adviced to use the nose during breathing and not the mouth because the nose have got hair like dtructures which helps to trap dust while the mouth doesnt have them and so if u use the mouth to breath u might allow those harmful bacterias and pathogens to enter into ur boooooooooooooyتصویر: images/smilies/smile.gifتصویر: images/smilies/biggrin.gifتصویر: images/smilies/angel.gif
10-19-2017 01:16 PM
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