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Question -

What is tidal volume ? Find out the tidal volume (approximate value) for a healthy human in an hour.



Answer -

Volume of air inspired/breath during normal respiration. It is approximate 500mL.Number of breaths per minute 12 to 16.
Tidal volume per minute = 500 x 12 to 16 = 6000 – 8000 mL or 6 -8 litres Tidal volume per hour = 6 to 8 x 60 = 360 – 480 litres.

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