Question

What is the use of residual volume of air in lungs

Answer 1

residual volume is the amount of Air that is left after exploratory reserved volume is exhaled. The lungs are never completely empty there is always some air left in the lungs after exhalation. Residual volume helps in the maintenance of the function and structure of alveoli..

Answer 2

$\huge\mathfrak\red{Heya\:Mate}$

$\huge{\boxed{\bold{ANSWER}}}$

During the breathing cycle, when air is taken in and let out, the lungs always contain a residual volume of air so that there is sufficient time for oxygen to be absorbed and for the carbondioxide to be released.

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