Question

The number of times a person breathes in one minute is called

(a) breathing rate (b) breathing (c) External respiration (d) none of these​

Answer 1

Answer:

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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

Answer 2

Explanation:

On average, an adult human being at rest breathes 15-18 times per minute. The breathing rate, however, may differ under different conditions.