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The gases inside the human body are actually the gases that we inhale from the air.

The gases in the air are:

  • Nitrogen (78.08%)
  • Oxygen (20.95%)
  • Argon (0.93%)
  • Carbon dioxide (0.033%)
  • Neon (0.0018%)
  • Helium (0.00052%)
  • Methane (0.0002%)
  • Nitrogen(I) oxide (0.00005%)
  • Hydrogen (0.00005%)
  • Xenon (0.00011%)
  • Ozone (0.000001%)
  • Krypton (0.00011%)
  • Water vapour (the amount varies depending on where you live)

Now of all of these gases, the ones that our body primarily uses/ needs is:

  • Nitrogen (N2)
  • Oxygen (O2)
  • Carbon dioxide (CO2)
  • A little bit of water vapour (H2O)
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14y ago

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