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Respiration in Organisms — Science STD 7 — Question

Gujarat BoardEnglish MediumSTD 7ScienceRespiration in Organisms1 Mark
Question
Why should you breathe through your nose and not your mouth?
✓

Answer

When we breathe through the nose, the dust particles, smoke, etc. get stuck in the hair present in the nose, which act as filters. But if we breathe through the mouth, all the dust will enter our body system.

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