The amount of carbon dioxide inhaled by the lungs is
0.04%
5%
20%
1%
0.04% of carbon dioxide is present in air inhaled by the lungs.
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
The amount of oxygen in the inhaled air is 21% and 0.04% of carbon dioxide.
What is the percentage of carbon dioxide in inhaled and exhaled air? [2 MARKS]