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Question

What gas do humans breathe out?


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Solution

Breathing:

  1. The process by which the air moves in and out of the lungs is referred to as breathing.
  2. This can be carried out via various respiratory organs.

The composition of gases exhaled by humans during breathing by volume is as follows:

  1. Carbon dioxide: 4.0-5.3%
  2. Oxygen: 13.6-16%
  3. Water vapor: 5-6.3%
  4. Nitrogen: 79%
  5. Some traces of other gases are also present.

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