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Mostly CO2 gas (carbon dioxide), but some quantity of all of the gases that were inhaled to begin with are exhaled whether they are normal constituents of the air we breathe or contaminants of it. Also notably, the lungs of most animals are not 100% efficient at removing and using the O2 gas (oxygen) that they are designed to capture for the body's use, so some quantities of it are exhaled (less than what was originally inhaled, obviously).
What else can I help you with?
What do koalas exhale?
Koalas are mammals and, like all mammals, they exhale air.
What do mammals breathe out?
Mammals exhale carbon dioxide.
What mammals breathe?
Mammals inhale oxygen and exhale carbon dioxide, as do all animals.
What gas is removed from the body when you exhale?
The gas removed from the body when you exhale is carbon dioxide.
What is the primary gas that humans exhale when breathing?
The primary gas that humans exhale when breathing is carbon dioxide.
What gas do you take when you exhale?
You inhale oxygen, and you exhale carbon dioxide.
What gas do you exhale?
carbon doxide
What is the most abundant gas in the air you exhale is?
This gas is nitrogen.
What gas do people exhale?
Carbon Dioxide.
Which gas do humans exhale?
Carbon dioxide
What gas do human exhale?
Carbon Dioxide
What gas do cattle exhale?
Carbon Dioxide
