MCQ
Breathing rate in human beings in normal condition is:
- A$12-15$ times in a minute.
- ✓$15-18$ times in a minute.
- C$18-22$ times in a minute.
- D$22-25$ times in a minute.
Breathing (or ventilation) is the process of moving air into and out of the lungs to facilitate gas exchange with the internal environment, mostly by bringing in oxygen and flushing out carbon dioxide.
The Normal range of breathing rate per minute in an average adult person at rest is $15-18.$
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