Siwani Verma
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How does the number of breaths change after physical activities like walking, running, or dancing?

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The number of breaths increases after physical activities because the body requires more oxygen to support the muscles and remove carbon dioxide.
Chapter 10 Living Creatures: Exploring their Characteristics
Class VI NCERT Book Curiosity Science

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  1. After physical activities like walking, running, or dancing, the number of breaths increases. This happens because the body needs more oxygen to fuel muscles and remove carbon dioxide, leading to faster and deeper breathing to meet these demands.

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