Exchange of gases takes place in the air sacs contained in the? by Sunday | Jun 27 | Biology WAEC | 0 comments A. I B. II C. IV D. V E. VI Correct Answer: Option C – IV Users Also Read These:In a mixture of gases which do not react chemically…A source of sound produces waves in air of…The conditions that ensure successful exchange of…Terrestrial plants exchange gases through the…The blind sacs at the junction of the small and…