Children Spirometer Lung Breathing Function PEF Peak Speed Meter Expiratory Peak Flow Meter For Monitoring Child

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Vital capacity (VC) refers to the total amount of gas that can be exhaled at a time when you try to breathe in. Adult men's vital capacity is about 3500-4000 milliliters, and women are about 2500-3000 milliliters. The better the health is, the greater the vital capacity is. Boys - 7 years old 1342ml, 8 years old 1496ml, 9 years old 1972ml, 10 years old 1843ml, 11 years old 2010ml, 12 years old 2200ml. instructions: Girls - -12 years old 1213ml, 8 years old 1354ml, 9 years old 1516ml, 10 years old 1685ml, 11 years old 1883ml, 12 years old 2077ml. Lung capacity can be increased by increasing physical activity. Spirometer is a portable, handheld device for measuring your ability to exhalate air from the lungs, and can provide a correct data to reflect the ventilation of the trachea. The ance of vital capacity: The vital capacity of the lung is closely related to the human respiration. Physiological studies show that the organs, syst, tiues, and organs of the human body Spirometry (low values compared with normal values), indicating that the body oxygen uptake and exhaust, the oxygen supply inside the body is not sufficient, once the body needs a lot of oxygen consumption situation (such as long time learning, work, strenuous exercise) there will be a serious shortage of oxygen supply, resulting in ad reactions such as headache, dizzine, chest tightne, listlene, inattention, memory lo, insomnia, this will not only affect the learning and work, and will cause many irreparable loes to health.

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