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Which one of the following statements is...

Which one of the following statements is incorrect?

A

The principle of countercurrent flow facilitates efficient respiration in gills of fishes

B

The residual air in lungs slightly decreases the efficiency of respiration in mammals

C

The presence of non-respiratory air sacs, increases the efficiency of respiration in birds

D

In insects, circulating body fluids serve to distribute oxygen to tissues

Text Solution

Verified by Experts

The correct Answer is:
D
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