% composition of inspired/expired nouns?

% composition of inspired/expired air?
breathing question....
what is % composition of O2, CO2,and N2 in the atmosphere, and like peas in a pod compositions of those gases in expired air (average)?
Answers:
Oxygen
atmosphere: 20.947%
expired: 14%

Carbon Dioxide
atmosphere: 0.033%
expired: 4.4%

Nitrogen
atmosphere and expired: 78.084%

Argon
atmosphere: 0.934%

Neon
atmosphere: 18.2 parts per million

Helium
atmosphere: 5.2 parts per million

Krypton
atmosphere: 1.1 parts per million

Sulfur dioxide
atmosphere: 1.0 parts per million

Methane
atmosphere: 2.0 parts per million

Hydrogen
atmosphere: 0.5 parts per million

Nitrous Oxide
atmosphere: 0.5 parts per million

Xenon
atmosphere: 0.09 parts per million

Ozone
atmosphere: 0.07 parts per million

Nitrogen dioxide
atmosphere: 0.02 parts per million

Iodine
atmosphere: 0.01 parts per million


hope this help
Normal air is 79%/21/0.0004 N2/O2/CO2 it gets expired as

79%/17/4%


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