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Give Suitable Explanation for the Following : - Biology

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Question

Give suitable explanation for the following :

Why does a person feel breathlessness at higher altitudes?

One Line Answer
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Solution

At higher altitudes, the oxygen content of the air is low. So, a person feels breathlessness at higher altitudes. 

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

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Selina Concise Biology [English] Class 9 ICSE
Chapter 14 The Respiratory System
Long answer type | Q 2.3 | Page 148
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