Question

When normal breathing, how long would it take for a someone to breath 1/2 of their alveolar air before it is exchanged with air?

During normal respiration (assume average values for all pertinent parameters), approximately how long must a person breathe before half of their alveolar air is exchanged with atmospheric air?

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Answer #1

The average adult when resting in health and exams about 7 or 8 litres of a per minute the total say about 11000 of a fun day in hilly areas about 20% of oxygen exhaled air is about 15% oxygen.Respiratory minute volume is the product breathing frequency and the volume of gas volume VT exchange during each breathing cycle. About alveoli minute ventilation is the tidal volume times the respiratory rate usually 500 ml into 12 Bridge per minute equal to 6000 ml per minute increasing respiratory rate are tidal volume increase minute ventilation.formula for alveolar ventilstion

Paco2 α Vco2/VA. Or. Alveolar ventilation rate=(tidal valume-dead space)*resspiratory rate

Thanku

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