In pulmonary functions which is important place which national physical power, especially, in under growth course whom aged from 13 to 16 young boys that whole members of 207 person, and bad taken pulmonary functions eyamination record, and took as the following results.
1) Frequency of brebathing:
Pertaingof the frequency of breathing are 18 times per minute at boys and girls whom age is 13.41 (primary student 6 grade), and at 14.18 and with age 16.41 (middle student, &high school student) are per minute was about 16 times.
2) Vital capacity:
Measures of vital capacity are in case of boy student, whom was a primary student was 3liter, and middle student was 3.2 liter, and at high school students was 3.9 liter, and which different boys and girls student was more low quantity at girls .student with comparison student.
3) Breathing holding time.
Breathing holding time was nor less in boys student and with girls student, but, that primary student which middle student and high school student was shown, that is to say, more higher age shown high quantity.
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