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Q.

Is it true that the major component of air present in inhaled air is oxygen and in exhaled air is carbon dioxide?


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a

True

b

False  

answer is A.

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Detailed Solution

The above statement is true.
“Breathing is the process of inhaling and exhaling air.” This exchange of gases is essential for the survival of organisms. The major component of air present in inhaled air is oxygen and in exhaled air is carbon dioxide. So, breathing is the process of taking in oxygen and giving out carbon dioxide.
  
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