A person inhales . . . . . . . . 1/min, the O2 consumption . . . . . . . . 1/min, when doing hard work in pauses.
A. 40 - 50; 1.8 - 2.3
B. 60 - 90; 2.7 - 4
C. 15 - 20; 0.6 - 0.9
D. None
Answer: Option A
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