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1. what are the reasons for pulmonary respiration?
2. what precautions should be take,,?
3.how does the deficiency of haemoglobin shows impact on pulmonary respiration.?
4.how does tobacco show dangerous impact on lungs?

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-what all affects the functioning of this respiration?
-how can we solve that?
-in this present world, is the chance for such diseases  high and why so ?
- what are the present researches on this field?
- what are the diagnosis methods for the lungs?
-how frog like amphibians are able of pulmonary respiration ? we know we can't respire in water , if then , the water gets inside and it blocks our functioning , but for frog it's not a prob..how's that ?
-what are the the different parts of lungs helping in this respiration?....
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