NEET Biology question

Air entering the lungs is

(A)Warm and filteredCorrect
(B)Contains only oxygen
(C)Cool and filtered
(D)Enriched with CO and NO

Answer: (A)

Solution

As air passes through the nasal cavity it is warmed by the rich blood supply and filtered of dust by the nasal hairs and mucous membrane before reaching

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Question ID VK-119136