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Vital capacity = ________

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in Biology – Class 11 by (272k points)
Vital capacity = ________

(a) ERV + RV

(b) IRV + TV

(c) IRV + TV + ERV + RV

(d) IRV + ERV + TV

I had been asked this question during an internship interview.

I would like to ask this question from Mechanism of Breathing-1 topic in chapter Breathing and Exchange of Gases of Biology – Class 11

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Best answer
The correct choice is (d) IRV + ERV + TV

The best explanation: Vital capacity is the amount of air that can be expired by most forceful expiration after a deepest inspiration. Inspiratory reserve volume, expiratory reserve volume and tidal volume are included in it.

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