Each day human body breathe in ___ litres of air.

A. 5,000 to 10,000
B. 10,000 to 15,000
C. 15,000 to 20,000
D. 20,000 to 25,000

The average adult at rest inhales and exhales something like 7 or 8 litres (about one-fourth of a cubic foot) of air per minute. That totals something like 11,000 litres of air (388 cubic feet) in a day.

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  1. Laila Zain

    The right answer is 10k to 15k.

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