Respiration in Organisms — Science STD 7 — Question
Gujarat BoardEnglish MediumSTD 7ScienceRespiration in Organisms1 Mark
Question
Why we feel hungry after a physical activity?
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Answer
During a physical activity we need more energy. Whenever a person needs extra energy he/ she breathes faster. As a result, more oxygen is supplied to our cells. It speeds up the breakdown of food and more energy is released. Due to rapid breakdown of food we feel hungry.
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