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What is the Normal Percentage Composition of Gases in Inspired and Expired Air Respectively? - Biology

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Question

What is the normal percentage composition of gases in inspired and expired air respectively?

Chart
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Solution

COMPONENT

INSPIRED AIR

EXPIRED AIR

1. Oxygen

20.96%

16.40%

2. Carbon dioxide

0.04%

4.00%

3. Nitrogen

79.00%

79.60%

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Chapter 14: The Respiratory System - Very short answer type [Page 148]

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Selina Concise Biology [English] Class 9 ICSE
Chapter 14 The Respiratory System
Very short answer type | Q 3 | Page 148

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