Tidal Volume and Respiratory Values — NEET Biology
✅ Asked in NEET 2026Tidal Volume (TV): Volume of air inspired or expired during a normal respiration. It is approx. 500 mL., i.e., a healthy man can inspire or expire approximately 6000 to 8000 mL of air per minute.
Tidal Volume (TV) is the volume of air breathed in or out during one normal breath, approximately 500 mL. NTA tests this by asking students to match respiratory volumes with their definitions and values. The common trap is confusing Tidal Volume with other lung volumes like Vital Capacity (3500 mL) or Total Lung Capacity (6000 mL), or incorrectly remembering the 500 mL value as 600-700 mL. Key to remember: TV = 500 mL per breath; multiplying by breathing rate (~12-16 breaths/min) gives total air movement. Always distinguish between volume per single breath versus total capacity measurements to avoid mixing up different respiratory parameters.
This paragraph was tested 2 times in NEET.
Match List-I (Respiratory Volume) with List-II (Capacity in mL) — A. ERV, B. RV, C. IRV, D. TV.
Match the items given in Column I with those in Column II and select the correct option given below:Column I A. Tidal Volume B. Inspiratory Reserve Volume C. Expiratory Reserve Volume D. Residual Volume Column II i. 2500–3000 mL ii. 1100–1200 mL iii. 500–550 mL iv. 1000–1100 mL
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