They breath out air with a higher percentage of CO2, a lower percentage of oxygen and (depending on the humidity) a higher percentage of water vapour.
Exhale.
Humans inhale oxygen and exhale carbon di oxide.
Carbon dioxide
Yes humans inhale oxygen but exhale carbon dioxide.
Humans inhale both and exhale both, however all Co2 is exhaled and only some O2 is exhaled.
yes
Humans need to eat plant food. Plants need carbon dioxide which humans exhale.
We need oxygen because of reasons . Without oxygen we would die . Humans exhale carbon dioxide becasue it is poisionous to the body and we cannot have it in our respitory system for long
No; humans inhale oxygen and exhale carbon dioxide.
Respiration
We exhale carbon dioxide or called CO2
because they have to let all the bad stuf out