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cds- Question :

 In human, which one among the following, with reference to breathing, is correct?

A :

During imbalation, diaphragm relaxes

B :

Droring exhalation, thorax cantly expands

C :

During inhalation, intra-pleural pressure becomes more negative

D :

Uniike mbaletion, normal exhalation is an active process

Answer : A
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