Why is there no difference in the nitrogen content of inspred and expired air. I need the correct answer...
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- The nitrogen that people intake is in the form of food, and that is different from atmospheric nitrogen (N2). The type of nitrogen in the atmosphere (N2) does not change unless it is broken down by nitrates and nitrites. ... To begin with nitrogen is not often inhaled/exhaled except for trace amounts of it in the air.
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