Lungs expel :
a. Co2 and H20 b. Co2 c. H20
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Lungs expel both carbon dioxide (CO2) as well as water vapour (H2O).
Therefore, option a) CO2 and H2O is the answer.
Therefore, option a) CO2 and H2O is the answer.
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Lungs expel CO2 and water in the form of vapour into the surrounding environment
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