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Give Suitable Explanation for the Following : - Biology

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प्रश्न

Give suitable explanation for the following :

Why does a person feel breathlessness at higher altitudes?

एक पंक्ति में उत्तर
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उत्तर

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

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अध्याय 14: The Respiratory System - Long answer type [पृष्ठ १४८]

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सेलिना Concise Biology [English] Class 9 ICSE
अध्याय 14 The Respiratory System
Long answer type | Q 2.3 | पृष्ठ १४८
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