[353FMG]

>>Humans exhale CO2.<<

Don’t all lung-endowed creatures?

[Paladin2]

Eat the carbohydrates, burn it in the cells, exhale CO2 and H2O.

Much like an ICE engined vehicle.

[Disambiguator]

>>Humans exhale CO2.<< Don’t all lung-endowed creatures?

Yes, but it's just the excuse they need to commit mass genocide against those pesky humans.