| (i) A healthy human on an average breathes times/minute. |
| (ii) The volume of air involved in the breathing movements can be estimated by spirometer. |
| (iii) Diaphragm is very useful in both inspiration and expiration. |
A) (i) and (ii)
B) (ii) and (iii)
C) (i) and (iii)
D) None of the above
Correct Answer: D
Solution :
[d] Diaphragm is very important in both expiration and inspiration. On an average, a healthy human breathes 12-16 times/ minute. The volume of the air involved in breathing movements can be calculated by using a spirometer which helps in the clinical assessment of pulmonary functions.
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