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Question

The act of breathing out air from the lungs is called:

A
Absorption
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B
Exhalation
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C
Assimilation
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D
Inhalation
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Solution

The correct option is B Exhalation
The act of breathing out air from the lungs is called exhalation. By this process, the waste product of respiration i.e. CO2 is expelled out of the lungs.
So, the correct answer is option B.

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