Question : Which is incorrect ?

1.	Question : Which is incorrect ?
Answer» Presence of non-respiratory air SACS increases efficiency OT respiration in birds In insects, CIRCULATION body fluids serve to distribute oxygen to tissues Principle of counter - current FLOW facilitates efficient respiration in gills of fishes Residual air in lungs SLIGHTLY decreases the efficiency of respiration in mammals Solution :In insects, circulation body fluids serve to distribute oxygen to tissues

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