【摘要】 <正> 肺活量是反映人体呼吸运动机能的一个灵敏指标。观测肺活量的变化,不仅能够评价体育锻炼对儿童呼吸机能发育的作用,而且可以作为评价大气污染对儿童机体影响的指标之一。据报告,中等技校参加石油加工劳动的学生,其肺活量和呼吸差都明显低于对照组;和更多还原

【Abstract】 The vital capacity of 11.611 students in Wuhan between the ages of 7 to 25 years was statistically analysed. The data obtained were compared with those of 15 other cities of our country. It was found that the mean vital capacity of both sexes increased with the increase of age, until the ages of 18~19 when it became steady.The mean vital capacity was larger in boys than that in girls in all age groups. The mean vital capacity of urban students of all age groups was higher than that of rural students. Compared with the data gathered 14~15 years ago, the mean vital capacity of boys and girls in 1979 showed a tendency of increasing.更多还原