Question

On am average, an adult human being at rest breathes 15-18 times per minute. The breathing rate, however, may differ under different conditions. Arrange the following activities give in the bracket in order of increasing breathing rates and give reason for your answer.

Answer 1

Doing exercise--- increase breathrate
doing hard work---- increase breathrate
exams time----- increase breathrate
when titanised----- increase breathrate
for athletes------ decrease breathrate