1. what are the reasons for pulmonary respiration?
2. what precautions should be take,,? does the deficiency of haemoglobin shows impact on pulmonary respiration.? 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's that ?
-what are the the different parts of lungs helping in this respiration?....
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