Physiology Vital capacity is sum of A Inspiratory reserve volume, Tidal volume and Expiratory reserve volume B Tidal volume, Inspiratory reserve volume and Residual volume C Expiratory reserve volume, Inspiratory reserve volume and Residual volume. D Residual volume, Inspiratory volume, and Expiratory reserve volume. 💡 Explanation Vital capacity is sum of ✓ Correct Answer: A. Inspiratory reserve volume, Tidal volume and Expiratory reserve volume