What is the rate of breathing per minute in an adult when he is at rest?

9-12

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12-18

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21-24

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30-33

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Solution

The correct option is B 12-18
Breathing is the process by which the air enters and leaves the human body. One inhalation and exhalation constitutes a breathing cycle. The numbers of breathing cycles per minutes is caller breathing rate. The typical breathing rate for a healthy adult human at rest is 12–18 breaths per minute.

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Similar questions

Q. The normal range of breathing rate per minute in an average adult at rest is:

What is breathing rate? What is normal breathing rate in adults? [2 MARKS]

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

Question 5 (c)
Tick the correct answer:
(c) Normal range of breathing rate per minute in an average adult person at rest is:
(i) 9 – 12
(ii) 15–18
(iii) 21–24
(iv) 30–33

What is the normal breathing rate in adults?

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