The number of times a person breathes in one minute is called
(a) breathing rate (b) breathing (c) External respiration (d) none of these
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BREATHING AND EXCHANGE OF GASES - NCERT
cells is called breathing, commonly known as respiration. Place your hands on your chest; ... On an average, a healthy human breathes
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On average, an adult human being at rest breathes 15-18 times per minute. The breathing rate, however, may differ under different conditions.
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