NEETBiologyBreathing and Exchange of GasesMCQ+4 / −1
Which one of the following statements is incorrect?
- AThe principle of countercurrent flow facilitates efficient respiration in gills of fishes.
- BThe residual air in lungs slightly decreases the efficiency of respiration in mammals.
- CThe presence of non-respiratory air sacs, increases the efficiency of respiration in birds.
- DIn insects, circulating body fluids serve to distribute oxygen to tissues.
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