Inspiratory Reserve Volume — NEET Biology
📚 Practice ConceptInspiratory Reserve Volume (IRV): A person can inspire by a forcible inspiration. This averages 2500 mL to 3000 mL.
Match the following respiratory volumes and capacities with their correct definitions Column I (Volumes & Capacities) A. Tidal Volume (TV) B. Residual Volume (RV) C. Inspiratory Reserve Volume (IRV) D. Vital Capacity (VC) E. Functional Residual Capacity (FRC) Column II (Descriptions) 1. Volume of air that remains in the lungs after a forcible expiration (~1100–1200 mL). 2. Additional volume of air that can be inspired by a forcible inspiration (~2500–3000 mL). 3. Volume of air inspired or expired during a normal respiration (~500 mL). 4. Volume of air that will remain in the lungs after a normal expiration; it includes ERV + RV (~2200–2400 mL). 5. Maximum volume of air a person can breathe in after a forceful expiration; includes TV + IRV + ERV (~3500–4500 mL).
View solution & NCERT explanation
Correct answer: A — A–3, B–1, C–2, D–5, E–4
Tidal Volume (TV): ~500 mL of air inspired/expired normally. Residual Volume (RV): Air left after forceful expiration (~1100–1200 mL). Inspiratory Reserve Volume (IRV): Extra air forcibly inspired (~2500–3000 mL). Vital Capacity (VC): Maximum volume inspired after maximum expiration (~3500–4500 mL). Functional Residual Capacity (FRC): Volume left after normal expiration, i.e., ERV + RV (~2200–2400 mL).
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