During which conditions, the breathing rate is around 25 times per minute?
While sleeping
After a heavy exercise
At rest
While eating
The breathing rate increases up to 25 times per minute after doing a heavy exercise.
Question 11 On an 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 given in the box in order of increasing breathing rates and give reason for your answer.
sleeping, cycling, brisk walk, watching TV