MCQ
During heavy exercise, the breathing rate can increase upto
- A$20$ times in a minute.
- ✓$25$ times in a minute.
- C$30$ times in a minute.
- D$35$ times in a minute.
On an average, an adult human being at rest breathes in and out $15 - 18$ times in a minute.
During heavy exercise, the breathing rate can increase upto $25$ times per minute.
While we exercise, not only do we breathe fast, we also take deep breaths and thus inhale more oxygen.
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