May 26, 2016

Homework Help: Biology

Posted by Ash on Monday, December 31, 2012 at 9:50pm.

In a lab on lung capacity where lung volumes (Tidal Volume, Expiratory Reserve Volume, Inspiratory Capacity, Inspiratory Reserve Volume, and Vital Capacity) are measured...

Why can't you measure the Inspiratory Reserve Volume (IRV) directly? (In the procedure it says to do IRV = IC - TV, rather than breathing a certain way into the spirometer)

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