________ are the filtering unit of lungs.
(a) Nephron (b) Trachea (c)alveoli (d) diaphragm
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Answer:
Nephron
Explanation:
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Alveoli is the answer.
Explanation:- Alveoli is the filtration unit present inside the lungs. These small alveoli help to exchange gases like carbon dioxide and oxygen within the lungs.
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