What percentage of oxygen is contained in exhaled air?

a

21%

b

16%

c

4%

d

0.04%

e

Less than 0.01%

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Correct Option
b

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Discussions (6)

Culzstudy
6 years ago

vickyf i get what u are trying to say but study the quedstion well, they said the percentage of oxygen in exhaled air and not in the atmosphere. the ans is B

001shedy
1 year ago

The percentage of oxygen contained in exhaled air is approximately 16-17%. This is lower than the percentage of oxygen in inhaled air, which is approximately 21%. The decrease in oxygen percentage is due to the body's extraction of oxygen from the inhaled air for metabolic purposes.

so option B is correct ✅

emma_diamond
4 years ago

21% of Oxygen in air
78% of Nitrogen

Gerald14
3 years ago

how do they solve for the percentage?

vickyf
9 years ago

it z nt correct....it is 21%

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