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The Volume of Air in the Lungs and the Rate at Which It is Exchanged During Inspiration and Expiration Was Measured. the Following Diagram Shows a Group of the Lung Volumes and Capacities. - Biology

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Question

The volume of air in the lungs and the rate at which it is exchanged during inspiration and expiration was measured.

The following diagram shows a group of the lung volumes and capacities.

Study the diagram carefully and explain briefly the following :

 Inspiratory reserve volume (IRV)

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Solution

 Inspiratory reserve volume (IRV): Air that can be drawn in forcibly over and above the tidal air is called inspiratory reserve volume. It is also known as complemental air. It is 3000 mL.

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Chapter 14: The Respiratory System - Structured/Application/Skill type [Page 149]

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Selina Concise Biology [English] Class 9 ICSE
Chapter 14 The Respiratory System
Structured/Application/Skill type | Q 4.2 | Page 149
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