What is the percentage of carbon dioxide in air we breathe out?
0.03%
8%
5%
10%
The air that we exhale has around 5% carbon dioxide and 16% oxygen.
When we inhale, we take air into our lungs. what do we breathe out during exhalation? options A :carbon dioxide option B: Nitrogen option C:Oxygen option
D: a mixture of gases that has more carbon dioxide than inhaled air optionE: a and c
What is the percentage of carbon dioxide in exhaled air?
During breathing, we breathe in __ and breathe out carbon dioxide.