Question

explain working of lungs as organs of excretion

Answer 1

Lungs help in excretion of carbon dioxide from our body. The lungs also play a role in excretion. Lungs excrete carbon dioxide and water vapor by diffusion and exhalation. ... The kidneys act as filters in the removal of urea and excess water and salts from the blood.
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Answer 2

lungs are basically associated with breathing during exhalation Co2 and water are removed from the body. As a waste product (CO2) of metabolic processes is removed by the lungs through breathing, the lungs are also considered as organs of excretion

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