NEET2016ZoologyBreathing and Exchange of GasesActual
After forceful inspiration, the amount of air that can be breathed out with maximum forced expiration is equal to
Options
- ATV + RV + ERV
- BIRV +TV + ERV
- CIRV + RV + ERV
- DIRV + ERV + TV + RV
Correct answer
B. IRV +TV + ERV
Step-by-step solution
The maximum amount of air which can be breathed out through forceful expiration after a forceful inspiration is equal to the sum of tidal Volume (TV), Inspiratory Reserve Volume (IRV) and Expiratory Reserve Volume (ERV) and called as vital capacity. Its value is 4.1 - 4.6 litres.