• 0_1554033127613_IMG_20190331_172059375~2.jpg
    Ans: b
    My doubt is:"why is exchange of gases in lungs not interrupted during expiration?" Please explain.

  • @anag
    The residual volume (RV) is the amount of air that is left after expiratory reserve volume is exhaled. The lungs are never completely empty: There is always some air left in the lungs after a maximal exhalation. ... The inspiratory capacity (IC) is the amount of air that can be inhaled after the end of a normal expiration a

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