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प्रश्न
Regarding the functions of our respiratory system, mark the wrong entry.
विकल्प
Humidifies the air
Warms up the air
Exchange of gases
Cleans up the air
उत्तर
Cleans up the air
Explanation:
Our respiratory system humidifies the air, warms up the air and exchanges gases. So, the correct answer is to clean up the air.
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