Among of C in expired air is about |
|||||||
a) |
0.04% |
b) |
0.03% |
c) |
4.5% |
d) |
2.1% |
Among of C in expired air is about |
|||||||
a) |
0.04% |
b) |
0.03% |
c) |
4.5% |
d) |
2.1% |
(c)
Amount of CO2 in expired air is 4.4%. The air we breathe in contains about 0.04% . The air we breathe out contains about 4% . In other words, exhaled air contains about 100 times the concentration of C that inhaled air does.