what is breathing(according to 12th sci) write in brief
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the breathing is very important one in our part it is very useful great that without grip we can't do any thing
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Breathing means exchange of oxygen and carbon dioxide between atmosphere and lungs
It’s pathway includes nostrils , pharynx,trachea ,bronchi , bronchioles , alveoli and blood
It’s pathway includes nostrils , pharynx,trachea ,bronchi , bronchioles , alveoli and blood
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