19.A large quantity of one of the following is removed from our body by lungs & WHY A. CO2 and H20 B.CO2 only
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Explanation:
Carbon dioxide is produced as a waste product of respiration. A large quantity of CO2 is removed from our body by lungs. Water is excreted by the skin as sweat, large intestine as faeces and kidney as urine. So the answer is 'CO2 only'
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